##        cd           periodo       folio              entidad     
##  Min.   : 1.00   Min.   :219   Length:1980        Min.   : 1.00  
##  1st Qu.: 2.00   1st Qu.:219   Class :character   1st Qu.: 9.00  
##  Median : 9.00   Median :219   Mode  :character   Median :15.00  
##  Mean   :13.96   Mean   :219                      Mean   :15.74  
##  3rd Qu.:25.00   3rd Qu.:219                      3rd Qu.:21.00  
##  Max.   :43.00   Max.   :219                      Max.   :32.00  
##                                                                  
##     control         viv_sel         num_hog     hog_mud          n_ren_ele    
##  Min.   :40001   Min.   :1.000   Min.   :1   Min.   :0.00000   Min.   :1.000  
##  1st Qu.:40138   1st Qu.:2.000   1st Qu.:1   1st Qu.:0.00000   1st Qu.:1.000  
##  Median :40222   Median :3.000   Median :1   Median :0.00000   Median :1.000  
##  Mean   :40291   Mean   :2.502   Mean   :1   Mean   :0.04697   Mean   :1.732  
##  3rd Qu.:40390   3rd Qu.:3.000   3rd Qu.:1   3rd Qu.:0.00000   3rd Qu.:2.000  
##  Max.   :41420   Max.   :4.000   Max.   :1   Max.   :2.00000   Max.   :7.000  
##                                                                               
##        p1             p2             p3_1           p3_2            p3_3    
##  Min.   :1.00   Min.   :0.000   Min.   :0.00   Min.   :0.000   Min.   :0.0  
##  1st Qu.:1.00   1st Qu.:1.000   1st Qu.:1.00   1st Qu.:1.000   1st Qu.:1.0  
##  Median :1.00   Median :1.000   Median :2.00   Median :2.000   Median :2.0  
##  Mean   :1.03   Mean   :1.351   Mean   :1.53   Mean   :1.612   Mean   :1.6  
##  3rd Qu.:1.00   3rd Qu.:2.000   3rd Qu.:2.00   3rd Qu.:2.000   3rd Qu.:2.0  
##  Max.   :2.00   Max.   :2.000   Max.   :2.00   Max.   :2.000   Max.   :2.0  
##                                                                             
##       p3_4            p3_5             p4               p5      
##  Min.   :0.000   Min.   :0.000   Min.   : 0.000   Min.   :0.00  
##  1st Qu.:2.000   1st Qu.:1.000   1st Qu.: 0.000   1st Qu.:0.00  
##  Median :2.000   Median :2.000   Median : 0.000   Median :0.00  
##  Mean   :1.897   Mean   :1.582   Mean   : 1.335   Mean   :1.37  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.: 2.000   3rd Qu.:3.00  
##  Max.   :2.000   Max.   :2.000   Max.   :50.000   Max.   :6.00  
##                                                                 
##    p5_6esp               p6_1             p6_2             p6_3       
##  Length:1980        Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  Class :character   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Mode  :character   Median :0.0000   Median :0.0000   Median :0.0000  
##                     Mean   :0.7848   Mean   :0.6889   Mean   :0.6985  
##                     3rd Qu.:2.0000   3rd Qu.:2.0000   3rd Qu.:2.0000  
##                     Max.   :2.0000   Max.   :2.0000   Max.   :2.0000  
##                                                                       
##       p6_4             p6_5             p6_6          p6_6esp         
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Length:1980       
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   Class :character  
##  Median :0.0000   Median :0.0000   Median :0.0000   Mode  :character  
##  Mean   :0.6465   Mean   :0.7131   Mean   :0.8177                     
##  3rd Qu.:1.0000   3rd Qu.:2.0000   3rd Qu.:2.0000                     
##  Max.   :2.0000   Max.   :2.0000   Max.   :2.0000                     
##                                                                       
##        p7              p7_3              p8_1             p8_2       
##  Min.   :0.0000   Min.   :    0.0   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:    0.0   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Median :    0.0   Median :0.0000   Median :0.0000  
##  Mean   :0.9364   Mean   :  195.5   Mean   :0.7545   Mean   :0.4561  
##  3rd Qu.:2.0000   3rd Qu.:    0.0   3rd Qu.:2.0000   3rd Qu.:1.0000  
##  Max.   :3.0000   Max.   :99999.0   Max.   :2.0000   Max.   :2.0000  
##                                                                      
##        p9           p9_5esp               p10              p11       
##  Min.   :0.0000   Length:1980        Min.   : 0.000   Min.   :0.000  
##  1st Qu.:0.0000   Class :character   1st Qu.: 0.000   1st Qu.:0.000  
##  Median :0.0000   Mode  :character   Median : 0.000   Median :0.000  
##  Mean   :0.4848                      Mean   : 1.363   Mean   :1.156  
##  3rd Qu.:1.0000                      3rd Qu.: 2.000   3rd Qu.:3.000  
##  Max.   :5.0000                      Max.   :99.000   Max.   :6.000  
##                                                                      
##    p11_6esp             p12_1            p12_2            p12_3       
##  Length:1980        Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  Class :character   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Mode  :character   Median :0.0000   Median :0.0000   Median :0.0000  
##                     Mean   :0.6197   Mean   :0.5955   Mean   :0.5949  
##                     3rd Qu.:2.0000   3rd Qu.:2.0000   3rd Qu.:2.0000  
##                     Max.   :2.0000   Max.   :2.0000   Max.   :2.0000  
##                                                                       
##      p12_4            p12_5            p12_6            p12_7       
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.5742   Mean   :0.6172   Mean   :0.5818   Mean   :0.5773  
##  3rd Qu.:1.0000   3rd Qu.:2.0000   3rd Qu.:2.0000   3rd Qu.:1.2500  
##  Max.   :2.0000   Max.   :2.0000   Max.   :2.0000   Max.   :2.0000  
##                                                                     
##      p12_8           p12_9         p12_9esp              p13       
##  Min.   :0.000   Min.   :0.000   Length:1980        Min.   :0.000  
##  1st Qu.:0.000   1st Qu.:0.000   Class :character   1st Qu.:0.000  
##  Median :0.000   Median :0.000   Mode  :character   Median :0.000  
##  Mean   :0.554   Mean   :0.651                      Mean   :0.752  
##  3rd Qu.:1.000   3rd Qu.:2.000                      3rd Qu.:2.000  
##  Max.   :2.000   Max.   :2.000                      Max.   :3.000  
##                                                                    
##      p13_3             p14_1            p14_2             p15        
##  Min.   :   0.00   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:   0.00   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :   0.00   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :  18.22   Mean   :0.6197   Mean   :0.3551   Mean   :0.4096  
##  3rd Qu.:   0.00   3rd Qu.:2.0000   3rd Qu.:1.0000   3rd Qu.:1.0000  
##  Max.   :1000.00   Max.   :2.0000   Max.   :2.0000   Max.   :5.0000  
##                                                                      
##    p15_5esp              p16              p17         p17_6esp        
##  Length:1980        Min.   : 0.000   Min.   :0.00   Length:1980       
##  Class :character   1st Qu.: 0.000   1st Qu.:0.00   Class :character  
##  Mode  :character   Median : 0.000   Median :0.00   Mode  :character  
##                     Mean   : 1.092   Mean   :1.11                     
##                     3rd Qu.: 1.000   3rd Qu.:3.00                     
##                     Max.   :45.000   Max.   :6.00                     
##                                                                       
##      p18_1            p18_2            p18_3            p18_4       
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.4268   Mean   :0.4692   Mean   :0.4611   Mean   :0.4975  
##  3rd Qu.:1.0000   3rd Qu.:1.0000   3rd Qu.:1.0000   3rd Qu.:1.0000  
##  Max.   :2.0000   Max.   :2.0000   Max.   :2.0000   Max.   :2.0000  
##                                                                     
##      p18_5            p19             p19_3              p20_1       
##  Min.   :0.000   Min.   :0.0000   Min.   :     0.0   Min.   :0.0000  
##  1st Qu.:0.000   1st Qu.:0.0000   1st Qu.:     0.0   1st Qu.:0.0000  
##  Median :0.000   Median :0.0000   Median :     0.0   Median :0.0000  
##  Mean   :0.403   Mean   :0.8177   Mean   :   512.7   Mean   :0.6475  
##  3rd Qu.:1.000   3rd Qu.:2.0000   3rd Qu.:     0.0   3rd Qu.:2.0000  
##  Max.   :2.000   Max.   :3.0000   Max.   :999999.0   Max.   :2.0000  
##                                                                      
##      p20_2             p21           p21_5esp              p22        
##  Min.   :0.0000   Min.   :0.0000   Length:1980        Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:0.0000   Class :character   1st Qu.:0.0000  
##  Median :0.0000   Median :0.0000   Mode  :character   Median :0.0000  
##  Mean   :0.3672   Mean   :0.4879                      Mean   :0.1374  
##  3rd Qu.:1.0000   3rd Qu.:1.0000                      3rd Qu.:0.0000  
##  Max.   :2.0000   Max.   :5.0000                      Max.   :5.0000  
##                                                                       
##      p23_1             p23_2              p24              p25       
##  Min.   :0.00000   Min.   :0.00000   Min.   :0.0000   Min.   :0.000  
##  1st Qu.:0.00000   1st Qu.:0.00000   1st Qu.:0.0000   1st Qu.:0.000  
##  Median :0.00000   Median :0.00000   Median :0.0000   Median :0.000  
##  Mean   :0.07121   Mean   :0.05253   Mean   :0.7631   Mean   :1.066  
##  3rd Qu.:0.00000   3rd Qu.:0.00000   3rd Qu.:1.0000   3rd Qu.:3.000  
##  Max.   :2.00000   Max.   :2.00000   Max.   :5.0000   Max.   :6.000  
##                                                                      
##    p25_6esp              p26              p27             p28        
##  Length:1980        Min.   :  0.00   Min.   :0.000   Min.   :0.0000  
##  Class :character   1st Qu.:  0.00   1st Qu.:0.000   1st Qu.:0.0000  
##  Mode  :character   Median : 20.00   Median :2.000   Median :0.0000  
##                     Mean   : 27.54   Mean   :1.322   Mean   :0.5808  
##                     3rd Qu.: 40.00   3rd Qu.:2.000   3rd Qu.:0.0000  
##                     Max.   :360.00   Max.   :2.000   Max.   :7.0000  
##                                                                      
##    p28_7esp              p29             p30             p31       
##  Length:1980        Min.   :0.000   Min.   :0.000   Min.   :0.000  
##  Class :character   1st Qu.:0.000   1st Qu.:0.000   1st Qu.:0.000  
##  Mode  :character   Median :2.000   Median :3.000   Median :1.000  
##                     Mean   :1.748   Mean   :2.111   Mean   :1.134  
##                     3rd Qu.:3.000   3rd Qu.:3.000   3rd Qu.:2.000  
##                     Max.   :4.000   Max.   :4.000   Max.   :2.000  
##                                                                    
##       p32           p32_6esp             p33_1           p33_2      
##  Min.   :0.0000   Length:1980        Min.   :0.000   Min.   :0.000  
##  1st Qu.:0.0000   Class :character   1st Qu.:1.000   1st Qu.:2.000  
##  Median :0.0000   Mode  :character   Median :2.000   Median :2.000  
##  Mean   :0.7106                      Mean   :1.712   Mean   :1.801  
##  3rd Qu.:1.0000                      3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :6.0000                      Max.   :2.000   Max.   :2.000  
##                                                                     
##      p33_3           p33_4           p34_1          p34_2          p34_3      
##  Min.   :0.000   Min.   :0.000   Min.   :0.00   Min.   :0.00   Min.   :0.000  
##  1st Qu.:2.000   1st Qu.:2.000   1st Qu.:1.00   1st Qu.:1.00   1st Qu.:1.000  
##  Median :2.000   Median :2.000   Median :2.00   Median :1.00   Median :2.000  
##  Mean   :1.856   Mean   :1.767   Mean   :1.71   Mean   :1.47   Mean   :1.639  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.00   3rd Qu.:2.00   3rd Qu.:2.000  
##  Max.   :2.000   Max.   :2.000   Max.   :3.00   Max.   :3.00   Max.   :3.000  
##                                                                               
##     p34_3_1           p34_4          p34_4_1            p35        
##  Min.   :0.0000   Min.   :0.000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:1.000   1st Qu.:0.0000   1st Qu.:1.0000  
##  Median :0.0000   Median :1.000   Median :1.0000   Median :1.0000  
##  Mean   :0.5323   Mean   :1.416   Mean   :0.9621   Mean   :0.9818  
##  3rd Qu.:1.0000   3rd Qu.:2.000   3rd Qu.:1.0000   3rd Qu.:1.0000  
##  Max.   :3.0000   Max.   :3.000   Max.   :6.0000   Max.   :2.0000  
##                                                                    
##      p36_1           p36_2           p36_3           p36_4      
##  Min.   :0.000   Min.   :0.000   Min.   :0.000   Min.   :0.000  
##  1st Qu.:1.000   1st Qu.:1.000   1st Qu.:1.000   1st Qu.:1.000  
##  Median :1.000   Median :1.000   Median :1.000   Median :1.000  
##  Mean   :1.424   Mean   :1.207   Mean   :1.334   Mean   :1.422  
##  3rd Qu.:2.000   3rd Qu.:1.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :3.000   Max.   :3.000   Max.   :3.000   Max.   :3.000  
##                                                                 
##      factor           h_lec          mat_lec         perslec     
##  Min.   :  2852   Min.   :1.000   Min.   :1.000   Min.   :1.000  
##  1st Qu.: 12880   1st Qu.:1.000   1st Qu.:2.000   1st Qu.:1.000  
##  Median : 16765   Median :1.000   Median :3.000   Median :1.000  
##  Mean   : 19297   Mean   :2.044   Mean   :2.756   Mean   :1.258  
##  3rd Qu.: 24724   3rd Qu.:3.000   3rd Qu.:4.000   3rd Qu.:2.000  
##  Max.   :103721   Max.   :4.000   Max.   :4.000   Max.   :2.000  
##                   NA's   :60      NA's   :60      NA's   :60     
##    l_formato       r_formato       p_formato       persleclrp       edad      
##  Min.   :1.000   Min.   :1.000   Min.   :1.000   Min.   :1.0   Min.   :18.00  
##  1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000   1st Qu.:1.0   1st Qu.:31.00  
##  Median :2.000   Median :2.000   Median :2.000   Median :1.0   Median :44.00  
##  Mean   :1.926   Mean   :1.937   Mean   :1.929   Mean   :1.3   Mean   :45.07  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.0   3rd Qu.:57.00  
##  Max.   :3.000   Max.   :3.000   Max.   :3.000   Max.   :2.0   Max.   :95.00  
##  NA's   :1170    NA's   :1332    NA's   :1308    NA's   :60                   
##       sexo            anio           nivel          cond_activ    
##  Min.   :1.000   Min.   :1.000   Min.   : 0.000   Min.   : 1.000  
##  1st Qu.:1.000   1st Qu.:3.000   1st Qu.: 3.000   1st Qu.: 1.000  
##  Median :2.000   Median :3.000   Median : 4.000   Median : 1.000  
##  Mean   :1.559   Mean   :3.463   Mean   : 4.368   Mean   : 3.388  
##  3rd Qu.:2.000   3rd Qu.:4.000   3rd Qu.: 7.000   3rd Qu.: 7.000  
##  Max.   :2.000   Max.   :6.000   Max.   :99.000   Max.   :99.000  
##                  NA's   :59
## 'data.frame':    1980 obs. of  108 variables:
##  $ cd        : int  14 14 14 14 14 14 14 14 14 14 ...
##  $ periodo   : int  219 219 219 219 219 219 219 219 219 219 ...
##  $ folio     : chr  "11B167" "11B167" "11B167" "11B167" ...
##  $ entidad   : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ control   : int  40006 40006 40006 40006 40131 40131 40131 40131 40132 40132 ...
##  $ viv_sel   : int  3 2 1 4 3 4 2 1 1 2 ...
##  $ num_hog   : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ hog_mud   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ n_ren_ele : int  2 1 1 2 1 1 1 1 1 2 ...
##  $ p1        : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p2        : int  2 2 2 2 2 1 1 1 2 1 ...
##  $ p3_1      : int  2 2 2 2 2 2 1 2 2 2 ...
##  $ p3_2      : int  2 2 2 2 2 1 2 2 2 2 ...
##  $ p3_3      : int  2 2 1 2 2 1 2 1 2 1 ...
##  $ p3_4      : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p3_5      : int  2 2 2 2 2 1 1 2 2 2 ...
##  $ p4        : int  0 0 0 0 0 0 1 0 0 0 ...
##  $ p5        : int  0 0 0 0 0 0 4 0 0 0 ...
##  $ p5_6esp   : chr  " " " " " " " " ...
##  $ p6_1      : int  0 0 0 0 0 0 2 0 0 0 ...
##  $ p6_2      : int  0 0 0 0 0 0 2 0 0 0 ...
##  $ p6_3      : int  0 0 0 0 0 0 1 0 0 0 ...
##  $ p6_4      : int  0 0 0 0 0 0 2 0 0 0 ...
##  $ p6_5      : int  0 0 0 0 0 0 2 0 0 0 ...
##  $ p6_6      : int  0 0 0 0 0 0 2 0 0 0 ...
##  $ p6_6esp   : chr  " " " " " " " " ...
##  $ p7        : int  0 0 0 0 0 0 2 0 0 0 ...
##  $ p7_3      : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p8_1      : int  0 0 0 0 0 0 2 0 0 0 ...
##  $ p8_2      : int  0 0 0 0 0 0 1 0 0 0 ...
##  $ p9        : int  0 0 0 0 0 0 1 0 0 0 ...
##  $ p9_5esp   : chr  " " " " " " " " ...
##  $ p10       : int  0 0 0 0 0 2 0 0 0 0 ...
##  $ p11       : int  0 0 0 0 0 4 0 0 0 0 ...
##  $ p11_6esp  : chr  " " " " " " " " ...
##  $ p12_1     : int  0 0 0 0 0 2 0 0 0 0 ...
##  $ p12_2     : int  0 0 0 0 0 1 0 0 0 0 ...
##  $ p12_3     : int  0 0 0 0 0 2 0 0 0 0 ...
##  $ p12_4     : int  0 0 0 0 0 2 0 0 0 0 ...
##  $ p12_5     : int  0 0 0 0 0 2 0 0 0 0 ...
##  $ p12_6     : int  0 0 0 0 0 1 0 0 0 0 ...
##  $ p12_7     : int  0 0 0 0 0 2 0 0 0 0 ...
##  $ p12_8     : int  0 0 0 0 0 2 0 0 0 0 ...
##  $ p12_9     : int  0 0 0 0 0 2 0 0 0 0 ...
##  $ p12_9esp  : chr  " " " " " " " " ...
##  $ p13       : int  0 0 0 0 0 2 0 0 0 0 ...
##  $ p13_3     : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p14_1     : int  0 0 0 0 0 2 0 0 0 0 ...
##  $ p14_2     : int  0 0 0 0 0 1 0 0 0 0 ...
##  $ p15       : int  0 0 0 0 0 1 0 0 0 0 ...
##  $ p15_5esp  : chr  " " " " " " " " ...
##  $ p16       : int  0 0 1 0 0 1 0 3 0 2 ...
##  $ p17       : int  0 0 4 0 0 4 0 3 0 3 ...
##  $ p17_6esp  : chr  " " " " " " " " ...
##  $ p18_1     : int  0 0 1 0 0 1 0 2 0 2 ...
##  $ p18_2     : int  0 0 1 0 0 1 0 1 0 1 ...
##  $ p18_3     : int  0 0 1 0 0 2 0 2 0 2 ...
##  $ p18_4     : int  0 0 1 0 0 2 0 2 0 2 ...
##  $ p18_5     : int  0 0 1 0 0 1 0 1 0 1 ...
##  $ p19       : int  0 0 2 0 0 2 0 2 0 2 ...
##  $ p19_3     : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p20_1     : int  0 0 1 0 0 2 0 2 0 2 ...
##  $ p20_2     : int  0 0 2 0 0 1 0 1 0 1 ...
##  $ p21       : int  0 0 1 0 0 2 0 2 0 2 ...
##  $ p21_5esp  : chr  " " " " " " " " ...
##  $ p22       : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p23_1     : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p23_2     : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p24       : int  0 0 0 0 0 5 2 0 0 0 ...
##  $ p25       : int  0 0 0 0 0 3 3 0 0 0 ...
##  $ p25_6esp  : chr  " " " " " " " " ...
##  $ p26       : int  0 0 15 0 0 10 60 15 0 20 ...
##  $ p27       : int  0 0 2 0 0 2 2 2 0 2 ...
##  $ p28       : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p28_7esp  : chr  " " " " " " " " ...
##  $ p29       : int  0 0 2 0 0 4 3 2 0 3 ...
##  $ p30       : int  0 0 2 0 0 4 3 3 0 3 ...
##  $ p31       : int  0 0 2 0 0 2 1 2 0 2 ...
##  $ p32       : int  3 5 0 5 2 0 0 0 1 0 ...
##  $ p32_6esp  : chr  " " " " " " " " ...
##  $ p33_1     : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p33_2     : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p33_3     : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p33_4     : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p34_1     : int  2 2 2 2 3 1 1 3 3 3 ...
##  $ p34_2     : int  2 1 1 1 3 1 1 3 3 1 ...
##  $ p34_3     : int  2 2 2 1 3 1 1 3 3 1 ...
##  $ p34_3_1   : int  0 0 0 1 0 2 2 0 0 1 ...
##  $ p34_4     : int  2 1 1 1 1 1 1 1 3 1 ...
##  $ p34_4_1   : int  0 1 1 1 1 1 1 1 0 1 ...
##  $ p35       : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p36_1     : int  2 1 1 1 3 1 1 3 3 1 ...
##  $ p36_2     : int  2 1 2 1 3 1 1 3 3 1 ...
##  $ p36_3     : int  2 1 2 1 3 1 1 3 3 1 ...
##  $ p36_4     : int  2 2 2 2 3 1 1 3 3 1 ...
##  $ factor    : int  18795 15188 22781 14041 16030 21866 33063 14578 24608 15907 ...
##  $ h_lec     : int  4 4 3 4 4 1 1 1 4 1 ...
##  $ mat_lec   : int  4 4 3 4 4 3 2 3 4 3 ...
##  $ perslec   : int  2 2 1 2 2 1 1 1 2 1 ...
##   [list output truncated]
##   [1] "cd"         "periodo"    "folio"      "entidad"    "control"   
##   [6] "viv_sel"    "num_hog"    "hog_mud"    "n_ren_ele"  "p1"        
##  [11] "p2"         "p3_1"       "p3_2"       "p3_3"       "p3_4"      
##  [16] "p3_5"       "p4"         "p5"         "p5_6esp"    "p6_1"      
##  [21] "p6_2"       "p6_3"       "p6_4"       "p6_5"       "p6_6"      
##  [26] "p6_6esp"    "p7"         "p7_3"       "p8_1"       "p8_2"      
##  [31] "p9"         "p9_5esp"    "p10"        "p11"        "p11_6esp"  
##  [36] "p12_1"      "p12_2"      "p12_3"      "p12_4"      "p12_5"     
##  [41] "p12_6"      "p12_7"      "p12_8"      "p12_9"      "p12_9esp"  
##  [46] "p13"        "p13_3"      "p14_1"      "p14_2"      "p15"       
##  [51] "p15_5esp"   "p16"        "p17"        "p17_6esp"   "p18_1"     
##  [56] "p18_2"      "p18_3"      "p18_4"      "p18_5"      "p19"       
##  [61] "p19_3"      "p20_1"      "p20_2"      "p21"        "p21_5esp"  
##  [66] "p22"        "p23_1"      "p23_2"      "p24"        "p25"       
##  [71] "p25_6esp"   "p26"        "p27"        "p28"        "p28_7esp"  
##  [76] "p29"        "p30"        "p31"        "p32"        "p32_6esp"  
##  [81] "p33_1"      "p33_2"      "p33_3"      "p33_4"      "p34_1"     
##  [86] "p34_2"      "p34_3"      "p34_3_1"    "p34_4"      "p34_4_1"   
##  [91] "p35"        "p36_1"      "p36_2"      "p36_3"      "p36_4"     
##  [96] "factor"     "h_lec"      "mat_lec"    "perslec"    "l_formato" 
## [101] "r_formato"  "p_formato"  "persleclrp" "edad"       "sexo"      
## [106] "anio"       "nivel"      "cond_activ"
##   cd periodo  folio entidad control viv_sel num_hog hog_mud n_ren_ele p1 p2
## 1 14     219 11B167       1   40006       3       1       0         2  1  2
## 2 14     219 11B167       1   40006       2       1       0         1  1  2
## 3 14     219 11B167       1   40006       1       1       0         1  1  2
## 4 14     219 11B167       1   40006       4       1       0         2  1  2
## 5 14     219 11B176       1   40131       3       1       0         1  1  2
## 6 14     219 11B176       1   40131       4       1       0         1  1  1
##   p3_1 p3_2 p3_3 p3_4 p3_5 p4 p5 p5_6esp p6_1 p6_2 p6_3 p6_4 p6_5 p6_6 p6_6esp
## 1    2    2    2    2    2  0  0            0    0    0    0    0    0        
## 2    2    2    2    2    2  0  0            0    0    0    0    0    0        
## 3    2    2    1    2    2  0  0            0    0    0    0    0    0        
## 4    2    2    2    2    2  0  0            0    0    0    0    0    0        
## 5    2    2    2    2    2  0  0            0    0    0    0    0    0        
## 6    2    1    1    2    1  0  0            0    0    0    0    0    0        
##   p7 p7_3 p8_1 p8_2 p9 p9_5esp p10 p11 p11_6esp p12_1 p12_2 p12_3 p12_4 p12_5
## 1  0    0    0    0  0           0   0              0     0     0     0     0
## 2  0    0    0    0  0           0   0              0     0     0     0     0
## 3  0    0    0    0  0           0   0              0     0     0     0     0
## 4  0    0    0    0  0           0   0              0     0     0     0     0
## 5  0    0    0    0  0           0   0              0     0     0     0     0
## 6  0    0    0    0  0           2   4              2     1     2     2     2
##   p12_6 p12_7 p12_8 p12_9 p12_9esp p13 p13_3 p14_1 p14_2 p15 p15_5esp p16 p17
## 1     0     0     0     0            0     0     0     0   0            0   0
## 2     0     0     0     0            0     0     0     0   0            0   0
## 3     0     0     0     0            0     0     0     0   0            1   4
## 4     0     0     0     0            0     0     0     0   0            0   0
## 5     0     0     0     0            0     0     0     0   0            0   0
## 6     1     2     2     2            2     0     2     1   1            1   4
##   p17_6esp p18_1 p18_2 p18_3 p18_4 p18_5 p19 p19_3 p20_1 p20_2 p21 p21_5esp p22
## 1              0     0     0     0     0   0     0     0     0   0            0
## 2              0     0     0     0     0   0     0     0     0   0            0
## 3              1     1     1     1     1   2     0     1     2   1            0
## 4              0     0     0     0     0   0     0     0     0   0            0
## 5              0     0     0     0     0   0     0     0     0   0            0
## 6              1     1     2     2     1   2     0     2     1   2            0
##   p23_1 p23_2 p24 p25 p25_6esp p26 p27 p28 p28_7esp p29 p30 p31 p32 p32_6esp
## 1     0     0   0   0            0   0   0            0   0   0   3         
## 2     0     0   0   0            0   0   0            0   0   0   5         
## 3     0     0   0   0           15   2   0            2   2   2   0         
## 4     0     0   0   0            0   0   0            0   0   0   5         
## 5     0     0   0   0            0   0   0            0   0   0   2         
## 6     0     0   5   3           10   2   0            4   4   2   0         
##   p33_1 p33_2 p33_3 p33_4 p34_1 p34_2 p34_3 p34_3_1 p34_4 p34_4_1 p35 p36_1
## 1     2     2     2     2     2     2     2       0     2       0   1     2
## 2     2     2     2     2     2     1     2       0     1       1   1     1
## 3     2     2     2     2     2     1     2       0     1       1   1     1
## 4     2     2     2     2     2     1     1       1     1       1   1     1
## 5     2     2     2     2     3     3     3       0     1       1   1     3
## 6     2     2     2     2     1     1     1       2     1       1   1     1
##   p36_2 p36_3 p36_4 factor h_lec mat_lec perslec l_formato r_formato p_formato
## 1     2     2     2  18795     4       4       2        NA        NA        NA
## 2     1     1     2  15188     4       4       2        NA        NA        NA
## 3     2     2     2  22781     3       3       1        NA        NA         1
## 4     1     1     2  14041     4       4       2        NA        NA        NA
## 5     3     3     3  16030     4       4       2        NA        NA        NA
## 6     1     1     1  21866     1       3       1        NA         2         2
##   persleclrp edad sexo anio nivel cond_activ
## 1          2   52    2    3     3          1
## 2          2   75    1    3     3          8
## 3          1   67    1    6     2          1
## 4          2   65    2    5     2          7
## 5          2   66    1    3     6          8
## 6          1   39    1    3     3          1
##         cd    periodo      folio    entidad    control    viv_sel    num_hog 
##          0          0          0          0          0          0          0 
##    hog_mud  n_ren_ele         p1         p2       p3_1       p3_2       p3_3 
##          0          0          0          0          0          0          0 
##       p3_4       p3_5         p4         p5    p5_6esp       p6_1       p6_2 
##          0          0          0          0          0          0          0 
##       p6_3       p6_4       p6_5       p6_6    p6_6esp         p7       p7_3 
##          0          0          0          0          0          0          0 
##       p8_1       p8_2         p9    p9_5esp        p10        p11   p11_6esp 
##          0          0          0          0          0          0          0 
##      p12_1      p12_2      p12_3      p12_4      p12_5      p12_6      p12_7 
##          0          0          0          0          0          0          0 
##      p12_8      p12_9   p12_9esp        p13      p13_3      p14_1      p14_2 
##          0          0          0          0          0          0          0 
##        p15   p15_5esp        p16        p17   p17_6esp      p18_1      p18_2 
##          0          0          0          0          0          0          0 
##      p18_3      p18_4      p18_5        p19      p19_3      p20_1      p20_2 
##          0          0          0          0          0          0          0 
##        p21   p21_5esp        p22      p23_1      p23_2        p24        p25 
##          0          0          0          0          0          0          0 
##   p25_6esp        p26        p27        p28   p28_7esp        p29        p30 
##          0          0          0          0          0          0          0 
##        p31        p32   p32_6esp      p33_1      p33_2      p33_3      p33_4 
##          0          0          0          0          0          0          0 
##      p34_1      p34_2      p34_3    p34_3_1      p34_4    p34_4_1        p35 
##          0          0          0          0          0          0          0 
##      p36_1      p36_2      p36_3      p36_4     factor      h_lec    mat_lec 
##          0          0          0          0          0         60         60 
##    perslec  l_formato  r_formato  p_formato persleclrp       edad       sexo 
##         60       1170       1332       1308         60          0          0 
##       anio      nivel cond_activ 
##         59          0          0
## [1] 0.03030303
## [1] 0.03030303
## [1] 0.03030303
## [1] 0.5909091
## [1] 0.6727273
## [1] 0.6606061
## [1] 0.03030303
## [1] 0.02979798
##     folio              entidad        control         viv_sel         num_hog 
##  Length:2010        Min.   : 1.0   Min.   :40025   Min.   :1.000   Min.   :1  
##  Class :character   1st Qu.: 9.0   1st Qu.:40153   1st Qu.:2.000   1st Qu.:1  
##  Mode  :character   Median :15.0   Median :40248   Median :3.000   Median :1  
##                     Mean   :15.6   Mean   :40307   Mean   :2.517   Mean   :1  
##                     3rd Qu.:20.0   3rd Qu.:40398   3rd Qu.:4.000   3rd Qu.:1  
##                     Max.   :32.0   Max.   :41420   Max.   :4.000   Max.   :1  
##                                                                               
##     hog_mud           n_ren_el            cd           periodo   
##  Min.   :0.00000   Min.   : 1.000   Min.   : 1.00   Min.   :220  
##  1st Qu.:0.00000   1st Qu.: 1.000   1st Qu.: 2.00   1st Qu.:220  
##  Median :0.00000   Median : 1.000   Median : 9.00   Median :220  
##  Mean   :0.04726   Mean   : 1.734   Mean   :14.01   Mean   :220  
##  3rd Qu.:0.00000   3rd Qu.: 2.000   3rd Qu.:25.00   3rd Qu.:220  
##  Max.   :2.00000   Max.   :10.000   Max.   :43.00   Max.   :220  
##                                                                  
##       sexo            edad            anio          nivel       
##  Min.   :1.000   Min.   :18.00   Min.   :1.00   Min.   : 0.000  
##  1st Qu.:1.000   1st Qu.:31.00   1st Qu.:3.00   1st Qu.: 3.000  
##  Median :2.000   Median :44.00   Median :3.00   Median : 4.000  
##  Mean   :1.552   Mean   :45.49   Mean   :3.47   Mean   : 4.418  
##  3rd Qu.:2.000   3rd Qu.:58.00   3rd Qu.:4.00   3rd Qu.: 7.000  
##  Max.   :2.000   Max.   :94.00   Max.   :6.00   Max.   :99.000  
##                                  NA's   :65                     
##     cond_act            p1              p2             p3_1      
##  Min.   : 1.000   Min.   :1.000   Min.   :0.000   Min.   :0.000  
##  1st Qu.: 1.000   1st Qu.:1.000   1st Qu.:1.000   1st Qu.:1.000  
##  Median : 1.000   Median :1.000   Median :1.000   Median :2.000  
##  Mean   : 3.289   Mean   :1.026   Mean   :1.367   Mean   :1.545  
##  3rd Qu.: 7.000   3rd Qu.:1.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :99.000   Max.   :2.000   Max.   :2.000   Max.   :2.000  
##                                                                  
##       p3_2            p3_3            p3_4            p3_5      
##  Min.   :0.000   Min.   :0.000   Min.   :0.000   Min.   :0.000  
##  1st Qu.:1.000   1st Qu.:1.000   1st Qu.:2.000   1st Qu.:1.000  
##  Median :2.000   Median :2.000   Median :2.000   Median :2.000  
##  Mean   :1.638   Mean   :1.655   Mean   :1.904   Mean   :1.588  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :2.000   Max.   :2.000   Max.   :2.000   Max.   :2.000  
##                                                                 
##        p4               p5         p5_6esp               p6_1       
##  Min.   : 0.000   Min.   :0.00   Length:2010        Min.   :0.0000  
##  1st Qu.: 0.000   1st Qu.:0.00   Class :character   1st Qu.:0.0000  
##  Median : 0.000   Median :0.00   Mode  :character   Median :0.0000  
##  Mean   : 1.428   Mean   :1.33                      Mean   :0.7781  
##  3rd Qu.: 2.000   3rd Qu.:3.00                      3rd Qu.:2.0000  
##  Max.   :60.000   Max.   :6.00                      Max.   :2.0000  
##                                                                     
##       p6_2             p6_3             p6_4             p6_5      
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Min.   :0.000  
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.000  
##  Median :0.0000   Median :0.0000   Median :0.0000   Median :0.000  
##  Mean   :0.6801   Mean   :0.6861   Mean   :0.6363   Mean   :0.696  
##  3rd Qu.:2.0000   3rd Qu.:2.0000   3rd Qu.:1.0000   3rd Qu.:2.000  
##  Max.   :2.0000   Max.   :2.0000   Max.   :2.0000   Max.   :2.000  
##                                                                    
##       p6_6         p6_6esp                p7              p7_3       
##  Min.   :0.000   Length:2010        Min.   :0.0000   Min.   :     0  
##  1st Qu.:0.000   Class :character   1st Qu.:0.0000   1st Qu.:     0  
##  Median :0.000   Mode  :character   Median :0.0000   Median :     0  
##  Mean   :0.805                      Mean   :0.9224   Mean   :  1631  
##  3rd Qu.:2.000                      3rd Qu.:2.0000   3rd Qu.:     0  
##  Max.   :2.000                      Max.   :3.0000   Max.   :999999  
##                                                                      
##       p8_1             p8_2              p9           p9_5esp         
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Length:2010       
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   Class :character  
##  Median :0.0000   Median :0.0000   Median :0.0000   Mode  :character  
##  Mean   :0.7473   Mean   :0.4468   Mean   :0.4905                     
##  3rd Qu.:2.0000   3rd Qu.:1.0000   3rd Qu.:1.0000                     
##  Max.   :2.0000   Max.   :2.0000   Max.   :5.0000                     
##                                                                       
##       p10             p11          p11_6esp             p12_1      
##  Min.   : 0.00   Min.   :0.000   Length:2010        Min.   :0.000  
##  1st Qu.: 0.00   1st Qu.:0.000   Class :character   1st Qu.:0.000  
##  Median : 0.00   Median :0.000   Mode  :character   Median :0.000  
##  Mean   : 1.12   Mean   :1.077                      Mean   :0.594  
##  3rd Qu.: 2.00   3rd Qu.:3.000                      3rd Qu.:2.000  
##  Max.   :90.00   Max.   :6.000                      Max.   :2.000  
##                                                                    
##      p12_2            p12_3            p12_4            p12_5      
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Min.   :0.000  
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.000  
##  Median :0.0000   Median :0.0000   Median :0.0000   Median :0.000  
##  Mean   :0.5582   Mean   :0.5697   Mean   :0.5348   Mean   :0.595  
##  3rd Qu.:1.0000   3rd Qu.:2.0000   3rd Qu.:1.0000   3rd Qu.:2.000  
##  Max.   :2.0000   Max.   :2.0000   Max.   :2.0000   Max.   :2.000  
##                                                                    
##      p12_6            p12_7            p12_8            p12_9       
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.5473   Mean   :0.5443   Mean   :0.5209   Mean   :0.6194  
##  3rd Qu.:1.0000   3rd Qu.:1.0000   3rd Qu.:1.0000   3rd Qu.:2.0000  
##  Max.   :2.0000   Max.   :2.0000   Max.   :2.0000   Max.   :2.0000  
##                                                                     
##    p12_9esp              p13             p13_3             p14_1       
##  Length:2010        Min.   :0.0000   Min.   :   0.00   Min.   :0.0000  
##  Class :character   1st Qu.:0.0000   1st Qu.:   0.00   1st Qu.:0.0000  
##  Mode  :character   Median :0.0000   Median :   0.00   Median :0.0000  
##                     Mean   :0.7144   Mean   :  19.04   Mean   :0.5841  
##                     3rd Qu.:2.0000   3rd Qu.:   0.00   3rd Qu.:2.0000  
##                     Max.   :3.0000   Max.   :1200.00   Max.   :2.0000  
##                                                                        
##      p14_2             p15           p15_5esp              p16        
##  Min.   :0.0000   Min.   :0.0000   Length:2010        Min.   : 0.000  
##  1st Qu.:0.0000   1st Qu.:0.0000   Class :character   1st Qu.: 0.000  
##  Median :0.0000   Median :0.0000   Mode  :character   Median : 0.000  
##  Mean   :0.3428   Mean   :0.4005                      Mean   : 1.077  
##  3rd Qu.:1.0000   3rd Qu.:1.0000                      3rd Qu.: 1.000  
##  Max.   :2.0000   Max.   :5.0000                      Max.   :80.000  
##                                                                       
##       p17           p17_6esp             p18_1            p18_2      
##  Min.   :0.0000   Length:2010        Min.   :0.0000   Min.   :0.000  
##  1st Qu.:0.0000   Class :character   1st Qu.:0.0000   1st Qu.:0.000  
##  Median :0.0000   Mode  :character   Median :0.0000   Median :0.000  
##  Mean   :0.9662                      Mean   :0.3721   Mean   :0.392  
##  3rd Qu.:3.0000                      3rd Qu.:1.0000   3rd Qu.:1.000  
##  Max.   :6.0000                      Max.   :2.0000   Max.   :2.000  
##                                                                      
##      p18_3          p18_4            p18_5             p19        
##  Min.   :0.00   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.00   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.00   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.39   Mean   :0.4239   Mean   :0.3363   Mean   :0.7065  
##  3rd Qu.:1.00   3rd Qu.:1.0000   3rd Qu.:1.0000   3rd Qu.:2.0000  
##  Max.   :2.00   Max.   :2.0000   Max.   :2.0000   Max.   :3.0000  
##                                                                   
##      p19_3              p20_1            p20_2             p21        
##  Min.   :   0.000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:   0.000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :   0.000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :   6.793   Mean   :0.5567   Mean   :0.3184   Mean   :0.4194  
##  3rd Qu.:   0.000   3rd Qu.:2.0000   3rd Qu.:1.0000   3rd Qu.:1.0000  
##  Max.   :1300.000   Max.   :2.0000   Max.   :2.0000   Max.   :5.0000  
##                                                                       
##    p21_5esp              p22             p23_1             p23_2        
##  Length:2010        Min.   :0.0000   Min.   :0.00000   Min.   :0.00000  
##  Class :character   1st Qu.:0.0000   1st Qu.:0.00000   1st Qu.:0.00000  
##  Mode  :character   Median :0.0000   Median :0.00000   Median :0.00000  
##                     Mean   :0.1433   Mean   :0.07413   Mean   :0.05672  
##                     3rd Qu.:0.0000   3rd Qu.:0.00000   3rd Qu.:0.00000  
##                     Max.   :5.0000   Max.   :2.00000   Max.   :2.00000  
##                                                                         
##       p24              p25          p25_6esp              p26        
##  Min.   :0.0000   Min.   :0.000   Length:2010        Min.   :  0.00  
##  1st Qu.:0.0000   1st Qu.:0.000   Class :character   1st Qu.:  0.00  
##  Median :0.0000   Median :0.000   Mode  :character   Median : 20.00  
##  Mean   :0.7697   Mean   :1.077                      Mean   : 28.25  
##  3rd Qu.:1.0000   3rd Qu.:3.000                      3rd Qu.: 40.00  
##  Max.   :5.0000   Max.   :6.000                      Max.   :480.00  
##                                                                      
##       p27             p28           p28_7esp              p29       
##  Min.   :0.000   Min.   :0.0000   Length:2010        Min.   :0.000  
##  1st Qu.:0.000   1st Qu.:0.0000   Class :character   1st Qu.:0.000  
##  Median :2.000   Median :0.0000   Mode  :character   Median :2.000  
##  Mean   :1.286   Mean   :0.6209                      Mean   :1.748  
##  3rd Qu.:2.000   3rd Qu.:0.0000                      3rd Qu.:3.000  
##  Max.   :2.000   Max.   :7.0000                      Max.   :4.000  
##                                                                     
##       p30             p31             p32           p32_6esp        
##  Min.   :0.000   Min.   :0.000   Min.   :0.0000   Length:2010       
##  1st Qu.:0.000   1st Qu.:0.000   1st Qu.:0.0000   Class :character  
##  Median :3.000   Median :1.000   Median :0.0000   Mode  :character  
##  Mean   :2.125   Mean   :1.096   Mean   :0.7299                     
##  3rd Qu.:3.000   3rd Qu.:2.000   3rd Qu.:1.0000                     
##  Max.   :4.000   Max.   :2.000   Max.   :6.0000                     
##                                                                     
##      p33_1           p33_2           p33_3           p33_4      
##  Min.   :0.000   Min.   :0.000   Min.   :0.000   Min.   :0.000  
##  1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000  
##  Median :2.000   Median :2.000   Median :2.000   Median :2.000  
##  Mean   :1.749   Mean   :1.819   Mean   :1.864   Mean   :1.779  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :2.000   Max.   :2.000   Max.   :2.000   Max.   :2.000  
##                                                                 
##      p34_1           p34_2           p34_3          p34_3_1      
##  Min.   :0.000   Min.   :0.000   Min.   :0.000   Min.   :0.0000  
##  1st Qu.:1.000   1st Qu.:1.000   1st Qu.:1.000   1st Qu.:0.0000  
##  Median :2.000   Median :1.000   Median :2.000   Median :0.0000  
##  Mean   :1.682   Mean   :1.456   Mean   :1.625   Mean   :0.5652  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:1.0000  
##  Max.   :3.000   Max.   :3.000   Max.   :3.000   Max.   :3.0000  
##                                                                  
##      p34_4          p34_4_1           p35             p36_1      
##  Min.   :0.000   Min.   :0.000   Min.   :0.0000   Min.   :0.000  
##  1st Qu.:1.000   1st Qu.:0.000   1st Qu.:1.0000   1st Qu.:1.000  
##  Median :1.000   Median :1.000   Median :1.0000   Median :1.000  
##  Mean   :1.412   Mean   :1.021   Mean   :0.9891   Mean   :1.439  
##  3rd Qu.:2.000   3rd Qu.:1.000   3rd Qu.:1.0000   3rd Qu.:2.000  
##  Max.   :3.000   Max.   :6.000   Max.   :2.0000   Max.   :3.000  
##                                                                  
##      p36_2          p36_3           p36_4           factor          h_lec      
##  Min.   :0.00   Min.   :0.000   Min.   :0.000   Min.   : 2976   Min.   :0.000  
##  1st Qu.:1.00   1st Qu.:1.000   1st Qu.:1.000   1st Qu.:12684   1st Qu.:1.000  
##  Median :1.00   Median :1.000   Median :1.000   Median :17143   Median :1.000  
##  Mean   :1.21   Mean   :1.321   Mean   :1.402   Mean   :19353   Mean   :2.032  
##  3rd Qu.:1.00   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:24472   3rd Qu.:3.000  
##  Max.   :3.00   Max.   :3.000   Max.   :3.000   Max.   :84991   Max.   :4.000  
##                                                                                
##     mat_lec         perslec         l_format         r_format    
##  Min.   :0.000   Min.   :0.000   Min.   :0.0000   Min.   :0.000  
##  1st Qu.:2.000   1st Qu.:1.000   1st Qu.:0.0000   1st Qu.:0.000  
##  Median :3.000   Median :1.000   Median :0.0000   Median :0.000  
##  Mean   :2.712   Mean   :1.246   Mean   :0.7801   Mean   :0.593  
##  3rd Qu.:4.000   3rd Qu.:2.000   3rd Qu.:2.0000   3rd Qu.:2.000  
##  Max.   :4.000   Max.   :2.000   Max.   :3.0000   Max.   :3.000  
##                                                                  
##     p_format         perslecl    
##  Min.   :0.0000   Min.   :0.000  
##  1st Qu.:0.0000   1st Qu.:1.000  
##  Median :0.0000   Median :1.000  
##  Mean   :0.5677   Mean   :1.305  
##  3rd Qu.:2.0000   3rd Qu.:2.000  
##  Max.   :3.0000   Max.   :2.000  
## 
## 'data.frame':    2010 obs. of  108 variables:
##  $ folio   : chr  "11A192" "11A192" "11A192" "12A192" ...
##  $ entidad : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ control : int  40060 40060 40060 40091 40091 40131 40131 40131 40131 40132 ...
##  $ viv_sel : int  1 3 2 4 1 2 3 4 1 1 ...
##  $ num_hog : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ hog_mud : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ n_ren_el: int  1 4 2 1 2 1 1 1 1 1 ...
##  $ cd      : int  14 14 14 14 14 14 14 14 14 14 ...
##  $ periodo : int  220 220 220 220 220 220 220 220 220 220 ...
##  $ sexo    : int  1 2 2 1 2 2 1 1 1 1 ...
##  $ edad    : int  48 41 55 55 60 48 67 40 43 68 ...
##  $ anio    : int  6 3 3 5 3 3 3 3 2 6 ...
##  $ nivel   : int  2 3 3 7 6 3 6 3 2 2 ...
##  $ cond_act: int  1 7 1 1 7 1 1 1 1 8 ...
##  $ p1      : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p2      : int  1 2 2 1 1 1 1 1 2 1 ...
##  $ p3_1    : int  1 2 2 1 1 2 2 2 2 1 ...
##  $ p3_2    : int  1 2 2 2 2 1 2 2 2 2 ...
##  $ p3_3    : int  1 2 2 1 2 2 1 1 2 2 ...
##  $ p3_4    : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p3_5    : int  1 1 2 1 2 1 2 1 2 2 ...
##  $ p4      : int  1 0 0 2 2 0 0 0 0 1 ...
##  $ p5      : int  4 0 0 4 4 0 0 0 0 4 ...
##  $ p5_6esp : chr  "" "" "" "" ...
##  $ p6_1    : int  2 0 0 2 2 0 0 0 0 2 ...
##  $ p6_2    : int  2 0 0 2 2 0 0 0 0 2 ...
##  $ p6_3    : int  2 0 0 2 1 0 0 0 0 2 ...
##  $ p6_4    : int  1 0 0 1 2 0 0 0 0 1 ...
##  $ p6_5    : int  2 0 0 2 2 0 0 0 0 2 ...
##  $ p6_6    : int  2 0 0 2 2 0 0 0 0 2 ...
##  $ p6_6esp : chr  "" "" "" "" ...
##  $ p7      : int  2 0 0 2 2 0 0 0 0 2 ...
##  $ p7_3    : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p8_1    : int  2 0 0 2 2 0 0 0 0 2 ...
##  $ p8_2    : int  1 0 0 1 1 0 0 0 0 1 ...
##  $ p9      : int  1 0 0 1 1 0 0 0 0 1 ...
##  $ p9_5esp : chr  "" "" "" "" ...
##  $ p10     : int  2 0 0 0 0 2 0 0 0 0 ...
##  $ p11     : int  4 0 0 0 0 4 0 0 0 0 ...
##  $ p11_6esp: chr  "" "" "" "" ...
##  $ p12_1   : int  2 0 0 0 0 2 0 0 0 0 ...
##  $ p12_2   : int  2 0 0 0 0 2 0 0 0 0 ...
##  $ p12_3   : int  2 0 0 0 0 2 0 0 0 0 ...
##  $ p12_4   : int  1 0 0 0 0 1 0 0 0 0 ...
##  $ p12_5   : int  2 0 0 0 0 2 0 0 0 0 ...
##  $ p12_6   : int  2 0 0 0 0 2 0 0 0 0 ...
##  $ p12_7   : int  1 0 0 0 0 2 0 0 0 0 ...
##  $ p12_8   : int  2 0 0 0 0 1 0 0 0 0 ...
##  $ p12_9   : int  2 0 0 0 0 2 0 0 0 0 ...
##  $ p12_9esp: chr  "" "" "" "" ...
##  $ p13     : int  2 0 0 0 0 2 0 0 0 0 ...
##  $ p13_3   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p14_1   : int  2 0 0 0 0 2 0 0 0 0 ...
##  $ p14_2   : int  1 0 0 0 0 1 0 0 0 0 ...
##  $ p15     : int  1 0 0 0 0 2 0 0 0 0 ...
##  $ p15_5esp: chr  "" "" "" "" ...
##  $ p16     : int  1 0 0 1 0 0 1 1 0 0 ...
##  $ p17     : int  4 0 0 4 0 0 3 4 0 0 ...
##  $ p17_6esp: chr  "" "" "" "" ...
##  $ p18_1   : int  2 0 0 1 0 0 1 2 0 0 ...
##  $ p18_2   : int  1 0 0 1 0 0 1 1 0 0 ...
##  $ p18_3   : int  2 0 0 1 0 0 2 2 0 0 ...
##  $ p18_4   : int  1 0 0 1 0 0 2 2 0 0 ...
##  $ p18_5   : int  1 0 0 1 0 0 1 1 0 0 ...
##  $ p19     : int  2 0 0 2 0 0 2 2 0 0 ...
##  $ p19_3   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p20_1   : int  2 0 0 2 0 0 2 2 0 0 ...
##  $ p20_2   : int  1 0 0 1 0 0 1 1 0 0 ...
##  $ p21     : int  2 0 0 2 0 0 2 2 0 0 ...
##  $ p21_5esp: chr  "" "" "" "" ...
##  $ p22     : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p23_1   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p23_2   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p24     : int  5 5 0 2 0 3 0 1 0 0 ...
##  $ p25     : int  4 4 0 4 0 4 0 4 0 0 ...
##  $ p25_6esp: chr  "" "" "" "" ...
##  $ p26     : int  30 10 0 20 20 30 20 10 0 60 ...
##  $ p27     : int  2 2 0 2 2 2 1 2 0 2 ...
##  $ p28     : int  0 0 0 0 0 0 6 0 0 0 ...
##  $ p28_7esp: chr  "" "" "" "" ...
##  $ p29     : int  2 2 0 2 2 4 3 4 0 3 ...
##  $ p30     : int  3 3 0 3 3 4 3 4 0 3 ...
##  $ p31     : int  2 2 0 1 2 2 2 2 0 2 ...
##  $ p32     : int  0 0 3 0 0 0 0 0 3 0 ...
##  $ p32_6esp: chr  "" "" "" "" ...
##  $ p33_1   : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p33_2   : int  2 2 2 2 2 2 1 2 2 2 ...
##  $ p33_3   : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p33_4   : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p34_1   : int  2 2 2 1 2 3 3 3 3 1 ...
##  $ p34_2   : int  2 2 2 1 2 3 3 1 3 1 ...
##  $ p34_3   : int  2 2 2 2 2 1 3 3 3 1 ...
##  $ p34_3_1 : int  0 0 0 0 0 2 0 0 0 1 ...
##  $ p34_4   : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p34_4_1 : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p35     : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p36_1   : int  1 1 2 1 2 1 3 3 3 3 ...
##  $ p36_2   : int  1 1 1 1 2 1 3 3 3 3 ...
##  $ p36_3   : int  1 1 1 1 2 1 1 1 3 1 ...
##   [list output truncated]
##   [1] "folio"    "entidad"  "control"  "viv_sel"  "num_hog"  "hog_mud" 
##   [7] "n_ren_el" "cd"       "periodo"  "sexo"     "edad"     "anio"    
##  [13] "nivel"    "cond_act" "p1"       "p2"       "p3_1"     "p3_2"    
##  [19] "p3_3"     "p3_4"     "p3_5"     "p4"       "p5"       "p5_6esp" 
##  [25] "p6_1"     "p6_2"     "p6_3"     "p6_4"     "p6_5"     "p6_6"    
##  [31] "p6_6esp"  "p7"       "p7_3"     "p8_1"     "p8_2"     "p9"      
##  [37] "p9_5esp"  "p10"      "p11"      "p11_6esp" "p12_1"    "p12_2"   
##  [43] "p12_3"    "p12_4"    "p12_5"    "p12_6"    "p12_7"    "p12_8"   
##  [49] "p12_9"    "p12_9esp" "p13"      "p13_3"    "p14_1"    "p14_2"   
##  [55] "p15"      "p15_5esp" "p16"      "p17"      "p17_6esp" "p18_1"   
##  [61] "p18_2"    "p18_3"    "p18_4"    "p18_5"    "p19"      "p19_3"   
##  [67] "p20_1"    "p20_2"    "p21"      "p21_5esp" "p22"      "p23_1"   
##  [73] "p23_2"    "p24"      "p25"      "p25_6esp" "p26"      "p27"     
##  [79] "p28"      "p28_7esp" "p29"      "p30"      "p31"      "p32"     
##  [85] "p32_6esp" "p33_1"    "p33_2"    "p33_3"    "p33_4"    "p34_1"   
##  [91] "p34_2"    "p34_3"    "p34_3_1"  "p34_4"    "p34_4_1"  "p35"     
##  [97] "p36_1"    "p36_2"    "p36_3"    "p36_4"    "factor"   "h_lec"   
## [103] "mat_lec"  "perslec"  "l_format" "r_format" "p_format" "perslecl"
##    folio entidad control viv_sel num_hog hog_mud n_ren_el cd periodo sexo edad
## 1 11A192       1   40060       1       1       0        1 14     220    1   48
## 2 11A192       1   40060       3       1       0        4 14     220    2   41
## 3 11A192       1   40060       2       1       0        2 14     220    2   55
## 4 12A192       1   40091       4       1       0        1 14     220    1   55
## 5 12A192       1   40091       1       1       0        2 14     220    2   60
## 6 11B176       1   40131       2       1       0        1 14     220    2   48
##   anio nivel cond_act p1 p2 p3_1 p3_2 p3_3 p3_4 p3_5 p4 p5 p5_6esp p6_1 p6_2
## 1    6     2        1  1  1    1    1    1    2    1  1  4            2    2
## 2    3     3        7  1  2    2    2    2    2    1  0  0            0    0
## 3    3     3        1  1  2    2    2    2    2    2  0  0            0    0
## 4    5     7        1  1  1    1    2    1    2    1  2  4            2    2
## 5    3     6        7  1  1    1    2    2    2    2  2  4            2    2
## 6    3     3        1  1  1    2    1    2    2    1  0  0            0    0
##   p6_3 p6_4 p6_5 p6_6 p6_6esp p7 p7_3 p8_1 p8_2 p9 p9_5esp p10 p11 p11_6esp
## 1    2    1    2    2          2    0    2    1  1           2   4         
## 2    0    0    0    0          0    0    0    0  0           0   0         
## 3    0    0    0    0          0    0    0    0  0           0   0         
## 4    2    1    2    2          2    0    2    1  1           0   0         
## 5    1    2    2    2          2    0    2    1  1           0   0         
## 6    0    0    0    0          0    0    0    0  0           2   4         
##   p12_1 p12_2 p12_3 p12_4 p12_5 p12_6 p12_7 p12_8 p12_9 p12_9esp p13 p13_3
## 1     2     2     2     1     2     2     1     2     2            2     0
## 2     0     0     0     0     0     0     0     0     0            0     0
## 3     0     0     0     0     0     0     0     0     0            0     0
## 4     0     0     0     0     0     0     0     0     0            0     0
## 5     0     0     0     0     0     0     0     0     0            0     0
## 6     2     2     2     1     2     2     2     1     2            2     0
##   p14_1 p14_2 p15 p15_5esp p16 p17 p17_6esp p18_1 p18_2 p18_3 p18_4 p18_5 p19
## 1     2     1   1            1   4              2     1     2     1     1   2
## 2     0     0   0            0   0              0     0     0     0     0   0
## 3     0     0   0            0   0              0     0     0     0     0   0
## 4     0     0   0            1   4              1     1     1     1     1   2
## 5     0     0   0            0   0              0     0     0     0     0   0
## 6     2     1   2            0   0              0     0     0     0     0   0
##   p19_3 p20_1 p20_2 p21 p21_5esp p22 p23_1 p23_2 p24 p25 p25_6esp p26 p27 p28
## 1     0     2     1   2            0     0     0   5   4           30   2   0
## 2     0     0     0   0            0     0     0   5   4           10   2   0
## 3     0     0     0   0            0     0     0   0   0            0   0   0
## 4     0     2     1   2            0     0     0   2   4           20   2   0
## 5     0     0     0   0            0     0     0   0   0           20   2   0
## 6     0     0     0   0            0     0     0   3   4           30   2   0
##   p28_7esp p29 p30 p31 p32 p32_6esp p33_1 p33_2 p33_3 p33_4 p34_1 p34_2 p34_3
## 1            2   3   2   0              2     2     2     2     2     2     2
## 2            2   3   2   0              2     2     2     2     2     2     2
## 3            0   0   0   3              2     2     2     2     2     2     2
## 4            2   3   1   0              2     2     2     2     1     1     2
## 5            2   3   2   0              2     2     2     2     2     2     2
## 6            4   4   2   0              2     2     2     2     3     3     1
##   p34_3_1 p34_4 p34_4_1 p35 p36_1 p36_2 p36_3 p36_4 factor h_lec mat_lec
## 1       0     1       1   1     1     1     1     2  17463     1       2
## 2       0     1       1   1     1     1     1     1  37353     3       3
## 3       0     1       1   1     2     1     1     2  20668     4       4
## 4       0     1       1   1     1     1     1     1  30309     1       2
## 5       0     1       1   1     2     2     2     2  13886     1       1
## 6       2     1       1   1     1     1     1     1  33374     1       3
##   perslec l_format r_format p_format perslecl
## 1       1        2        2        2        1
## 2       1        0        0        0        2
## 3       2        0        0        0        2
## 4       1        2        0        2        1
## 5       1        2        0        0        1
## 6       1        0        2        0        1
##    folio  entidad  control  viv_sel  num_hog  hog_mud n_ren_el       cd 
##        0        0        0        0        0        0        0        0 
##  periodo     sexo     edad     anio    nivel cond_act       p1       p2 
##        0        0        0       65        0        0        0        0 
##     p3_1     p3_2     p3_3     p3_4     p3_5       p4       p5  p5_6esp 
##        0        0        0        0        0        0        0        0 
##     p6_1     p6_2     p6_3     p6_4     p6_5     p6_6  p6_6esp       p7 
##        0        0        0        0        0        0        0        0 
##     p7_3     p8_1     p8_2       p9  p9_5esp      p10      p11 p11_6esp 
##        0        0        0        0        0        0        0        0 
##    p12_1    p12_2    p12_3    p12_4    p12_5    p12_6    p12_7    p12_8 
##        0        0        0        0        0        0        0        0 
##    p12_9 p12_9esp      p13    p13_3    p14_1    p14_2      p15 p15_5esp 
##        0        0        0        0        0        0        0        0 
##      p16      p17 p17_6esp    p18_1    p18_2    p18_3    p18_4    p18_5 
##        0        0        0        0        0        0        0        0 
##      p19    p19_3    p20_1    p20_2      p21 p21_5esp      p22    p23_1 
##        0        0        0        0        0        0        0        0 
##    p23_2      p24      p25 p25_6esp      p26      p27      p28 p28_7esp 
##        0        0        0        0        0        0        0        0 
##      p29      p30      p31      p32 p32_6esp    p33_1    p33_2    p33_3 
##        0        0        0        0        0        0        0        0 
##    p33_4    p34_1    p34_2    p34_3  p34_3_1    p34_4  p34_4_1      p35 
##        0        0        0        0        0        0        0        0 
##    p36_1    p36_2    p36_3    p36_4   factor    h_lec  mat_lec  perslec 
##        0        0        0        0        0        0        0        0 
## l_format r_format p_format perslecl 
##        0        0        0        0
##     folio              entidad         control         viv_sel         num_hog 
##  Length:1948        Min.   : 1.00   Min.   :22251   Min.   :1.000   Min.   :1  
##  Class :character   1st Qu.: 9.00   1st Qu.:40121   1st Qu.:1.000   1st Qu.:1  
##  Mode  :character   Median :15.00   Median :40242   Median :2.000   Median :1  
##                     Mean   :15.58   Mean   :40242   Mean   :2.499   Mean   :1  
##                     3rd Qu.:20.00   3rd Qu.:40369   3rd Qu.:4.000   3rd Qu.:1  
##                     Max.   :32.00   Max.   :41408   Max.   :4.000   Max.   :1  
##                                                                                
##     hog_mud           n_ren_el            cd          periodo   
##  Min.   :0.00000   Min.   : 1.000   Min.   : 1.0   Min.   :221  
##  1st Qu.:0.00000   1st Qu.: 1.000   1st Qu.: 2.0   1st Qu.:221  
##  Median :0.00000   Median : 1.000   Median : 9.0   Median :221  
##  Mean   :0.04312   Mean   : 1.725   Mean   :13.8   Mean   :221  
##  3rd Qu.:0.00000   3rd Qu.: 2.000   3rd Qu.:25.0   3rd Qu.:221  
##  Max.   :2.00000   Max.   :10.000   Max.   :43.0   Max.   :221  
##                                                                 
##       sexo            edad           nivel             anio      
##  Min.   :1.000   Min.   :18.00   Min.   : 0.000   Min.   :1.000  
##  1st Qu.:1.000   1st Qu.:31.00   1st Qu.: 3.000   1st Qu.:3.000  
##  Median :2.000   Median :43.00   Median : 4.000   Median :3.000  
##  Mean   :1.547   Mean   :44.77   Mean   : 4.676   Mean   :3.444  
##  3rd Qu.:2.000   3rd Qu.:57.00   3rd Qu.: 7.000   3rd Qu.:4.000  
##  Max.   :2.000   Max.   :94.00   Max.   :99.000   Max.   :9.000  
##                                                   NA's   :52     
##     cond_act            p1              p2             p3_1      
##  Min.   : 1.000   Min.   :1.000   Min.   :0.000   Min.   :0.000  
##  1st Qu.: 1.000   1st Qu.:1.000   1st Qu.:1.000   1st Qu.:1.000  
##  Median : 1.000   Median :1.000   Median :1.000   Median :2.000  
##  Mean   : 3.304   Mean   :1.025   Mean   :1.367   Mean   :1.539  
##  3rd Qu.: 7.000   3rd Qu.:1.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :10.000   Max.   :2.000   Max.   :2.000   Max.   :2.000  
##                                                                  
##       p3_2            p3_3            p3_4            p3_5      
##  Min.   :0.000   Min.   :0.000   Min.   :0.000   Min.   :0.000  
##  1st Qu.:1.000   1st Qu.:1.000   1st Qu.:2.000   1st Qu.:1.000  
##  Median :2.000   Median :2.000   Median :2.000   Median :2.000  
##  Mean   :1.697   Mean   :1.691   Mean   :1.889   Mean   :1.567  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :2.000   Max.   :2.000   Max.   :2.000   Max.   :2.000  
##                                                                 
##        p4               p5         p5_6esp               p6_1       
##  Min.   : 0.000   Min.   :0.00   Length:1948        Min.   :0.0000  
##  1st Qu.: 0.000   1st Qu.:0.00   Class :character   1st Qu.:0.0000  
##  Median : 0.000   Median :0.00   Mode  :character   Median :0.0000  
##  Mean   : 1.564   Mean   :1.41                      Mean   :0.7936  
##  3rd Qu.: 2.000   3rd Qu.:3.00                      3rd Qu.:2.0000  
##  Max.   :60.000   Max.   :6.00                      Max.   :2.0000  
##                                                                     
##       p6_2            p6_3             p6_4             p6_5       
##  Min.   :0.000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.711   Mean   :0.6915   Mean   :0.6709   Mean   :0.7182  
##  3rd Qu.:2.000   3rd Qu.:2.0000   3rd Qu.:2.0000   3rd Qu.:2.0000  
##  Max.   :2.000   Max.   :2.0000   Max.   :2.0000   Max.   :2.0000  
##                                                                    
##       p6_6          p6_6esp                p7              p7_3       
##  Min.   :0.0000   Length:1948        Min.   :0.0000   Min.   :     0  
##  1st Qu.:0.0000   Class :character   1st Qu.:0.0000   1st Qu.:     0  
##  Median :0.0000   Mode  :character   Median :0.0000   Median :     0  
##  Mean   :0.8219                      Mean   :0.8866   Mean   :  2201  
##  3rd Qu.:2.0000                      3rd Qu.:2.0000   3rd Qu.:     0  
##  Max.   :2.0000                      Max.   :3.0000   Max.   :999999  
##                                                                       
##       p8_1             p8_2              p9           p9_5esp         
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Length:1948       
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   Class :character  
##  Median :0.0000   Median :0.0000   Median :0.0000   Mode  :character  
##  Mean   :0.7187   Mean   :0.4949   Mean   :0.4466                     
##  3rd Qu.:2.0000   3rd Qu.:1.0000   3rd Qu.:1.0000                     
##  Max.   :2.0000   Max.   :2.0000   Max.   :5.0000                     
##                                                                       
##       p10              p11           p11_6esp             p12_1       
##  Min.   : 0.000   Min.   :0.0000   Length:1948        Min.   :0.0000  
##  1st Qu.: 0.000   1st Qu.:0.0000   Class :character   1st Qu.:0.0000  
##  Median : 0.000   Median :0.0000   Mode  :character   Median :0.0000  
##  Mean   : 0.923   Mean   :0.8522                      Mean   :0.4713  
##  3rd Qu.: 1.000   3rd Qu.:1.0000                      3rd Qu.:1.0000  
##  Max.   :60.000   Max.   :6.0000                      Max.   :2.0000  
##                                                                       
##      p12_2            p12_3            p12_4            p12_5       
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.4579   Mean   :0.4497   Mean   :0.4492   Mean   :0.4867  
##  3rd Qu.:1.0000   3rd Qu.:1.0000   3rd Qu.:1.0000   3rd Qu.:1.0000  
##  Max.   :2.0000   Max.   :2.0000   Max.   :2.0000   Max.   :2.0000  
##                                                                     
##      p12_6            p12_7            p12_8            p12_9       
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.4456   Mean   :0.4574   Mean   :0.4446   Mean   :0.5041  
##  3rd Qu.:1.0000   3rd Qu.:1.0000   3rd Qu.:1.0000   3rd Qu.:2.0000  
##  Max.   :2.0000   Max.   :2.0000   Max.   :2.0000   Max.   :2.0000  
##                                                                     
##    p12_9esp              p13             p13_3             p14_1       
##  Length:1948        Min.   :0.0000   Min.   :   0.00   Min.   :0.0000  
##  Class :character   1st Qu.:0.0000   1st Qu.:   0.00   1st Qu.:0.0000  
##  Mode  :character   Median :0.0000   Median :   0.00   Median :0.0000  
##                     Mean   :0.5303   Mean   :  23.58   Mean   :0.4435  
##                     3rd Qu.:1.0000   3rd Qu.:   0.00   3rd Qu.:1.0000  
##                     Max.   :3.0000   Max.   :9999.00   Max.   :2.0000  
##                                                                        
##      p14_2            p15           p15_5esp              p16         
##  Min.   :0.000   Min.   :0.0000   Length:1948        Min.   : 0.0000  
##  1st Qu.:0.000   1st Qu.:0.0000   Class :character   1st Qu.: 0.0000  
##  Median :0.000   Median :0.0000   Mode  :character   Median : 0.0000  
##  Mean   :0.309   Mean   :0.2936                      Mean   : 0.9035  
##  3rd Qu.:1.000   3rd Qu.:1.0000                      3rd Qu.: 1.0000  
##  Max.   :2.000   Max.   :5.0000                      Max.   :60.0000  
##                                                                       
##       p17           p17_6esp             p18_1            p18_2       
##  Min.   :0.0000   Length:1948        Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   Class :character   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Mode  :character   Median :0.0000   Median :0.0000  
##  Mean   :0.8506                      Mean   :0.3501   Mean   :0.3645  
##  3rd Qu.:2.0000                      3rd Qu.:1.0000   3rd Qu.:1.0000  
##  Max.   :6.0000                      Max.   :2.0000   Max.   :2.0000  
##                                                                       
##      p18_3            p18_4            p18_5             p19        
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.3588   Mean   :0.3855   Mean   :0.3239   Mean   :0.5873  
##  3rd Qu.:1.0000   3rd Qu.:1.0000   3rd Qu.:1.0000   3rd Qu.:1.0000  
##  Max.   :2.0000   Max.   :2.0000   Max.   :2.0000   Max.   :3.0000  
##                                                                     
##      p19_3              p20_1            p20_2             p21        
##  Min.   :     0.0   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:     0.0   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :     0.0   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :   523.4   Mean   :0.4584   Mean   :0.3178   Mean   :0.3445  
##  3rd Qu.:     0.0   3rd Qu.:1.0000   3rd Qu.:1.0000   3rd Qu.:1.0000  
##  Max.   :999999.0   Max.   :2.0000   Max.   :2.0000   Max.   :5.0000  
##                                                                       
##    p21_5esp              p22             p23_1             p23_2        
##  Length:1948        Min.   :0.0000   Min.   :0.00000   Min.   :0.00000  
##  Class :character   1st Qu.:0.0000   1st Qu.:0.00000   1st Qu.:0.00000  
##  Mode  :character   Median :0.0000   Median :0.00000   Median :0.00000  
##                     Mean   :0.2115   Mean   :0.09189   Mean   :0.08778  
##                     3rd Qu.:0.0000   3rd Qu.:0.00000   3rd Qu.:0.00000  
##                     Max.   :5.0000   Max.   :2.00000   Max.   :2.00000  
##                                                                         
##       p24              p25          p25_6esp              p26        
##  Min.   :0.0000   Min.   :0.000   Length:1948        Min.   :  0.00  
##  1st Qu.:0.0000   1st Qu.:0.000   Class :character   1st Qu.:  0.00  
##  Median :0.0000   Median :0.000   Mode  :character   Median : 20.00  
##  Mean   :0.9338   Mean   :1.191                      Mean   : 29.24  
##  3rd Qu.:2.0000   3rd Qu.:3.000                      3rd Qu.: 40.00  
##  Max.   :5.0000   Max.   :6.000                      Max.   :480.00  
##                                                                      
##       p27             p28           p28_7esp              p29       
##  Min.   :0.000   Min.   :0.0000   Length:1948        Min.   :0.000  
##  1st Qu.:0.000   1st Qu.:0.0000   Class :character   1st Qu.:0.000  
##  Median :2.000   Median :0.0000   Mode  :character   Median :2.000  
##  Mean   :1.276   Mean   :0.5703                      Mean   :1.718  
##  3rd Qu.:2.000   3rd Qu.:0.0000                      3rd Qu.:3.000  
##  Max.   :2.000   Max.   :7.0000                      Max.   :4.000  
##                                                                     
##       p30             p31             p32           p32_6esp        
##  Min.   :0.000   Min.   :0.000   Min.   :0.0000   Length:1948       
##  1st Qu.:0.000   1st Qu.:0.000   1st Qu.:0.0000   Class :character  
##  Median :3.000   Median :1.000   Median :0.0000   Mode  :character  
##  Mean   :2.064   Mean   :1.095   Mean   :0.7351                     
##  3rd Qu.:3.000   3rd Qu.:2.000   3rd Qu.:1.0000                     
##  Max.   :4.000   Max.   :2.000   Max.   :6.0000                     
##                                                                     
##      p33_1           p33_2           p33_3           p33_4      
##  Min.   :0.000   Min.   :0.000   Min.   :0.000   Min.   :0.000  
##  1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000  
##  Median :2.000   Median :2.000   Median :2.000   Median :2.000  
##  Mean   :1.844   Mean   :1.889   Mean   :1.936   Mean   :1.889  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :2.000   Max.   :2.000   Max.   :2.000   Max.   :2.000  
##                                                                 
##      p34_1           p34_2           p34_3          p34_3_1      
##  Min.   :0.000   Min.   :0.000   Min.   :0.000   Min.   :0.0000  
##  1st Qu.:1.000   1st Qu.:1.000   1st Qu.:1.000   1st Qu.:0.0000  
##  Median :2.000   Median :1.000   Median :2.000   Median :0.0000  
##  Mean   :1.656   Mean   :1.459   Mean   :1.614   Mean   :0.5919  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:1.0000  
##  Max.   :3.000   Max.   :3.000   Max.   :3.000   Max.   :3.0000  
##                                                                  
##      p34_4          p34_4_1           p35             p36_1           p36_2    
##  Min.   :0.000   Min.   :0.000   Min.   :0.0000   Min.   :0.000   Min.   :0.0  
##  1st Qu.:1.000   1st Qu.:0.000   1st Qu.:1.0000   1st Qu.:1.000   1st Qu.:1.0  
##  Median :1.000   Median :1.000   Median :1.0000   Median :1.000   Median :1.0  
##  Mean   :1.386   Mean   :1.079   Mean   :0.9841   Mean   :1.392   Mean   :1.2  
##  3rd Qu.:2.000   3rd Qu.:1.000   3rd Qu.:1.0000   3rd Qu.:2.000   3rd Qu.:1.0  
##  Max.   :3.000   Max.   :6.000   Max.   :2.0000   Max.   :3.000   Max.   :3.0  
##                                                                                
##      p36_3           p36_4           factor           h_lec      
##  Min.   :0.000   Min.   :0.000   Min.   :  3234   Min.   :0.000  
##  1st Qu.:1.000   1st Qu.:1.000   1st Qu.: 13068   1st Qu.:1.000  
##  Median :1.000   Median :1.000   Median : 17690   Median :1.000  
##  Mean   :1.309   Mean   :1.402   Mean   : 20263   Mean   :2.039  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.: 25969   3rd Qu.:4.000  
##  Max.   :3.000   Max.   :3.000   Max.   :107866   Max.   :4.000  
##                                                                  
##     mat_lec         perslec         l_format         r_format   
##  Min.   :0.000   Min.   :0.000   Min.   :0.0000   Min.   :0.00  
##  1st Qu.:2.000   1st Qu.:1.000   1st Qu.:0.0000   1st Qu.:0.00  
##  Median :3.000   Median :1.000   Median :0.0000   Median :0.00  
##  Mean   :2.699   Mean   :1.256   Mean   :0.7649   Mean   :0.46  
##  3rd Qu.:4.000   3rd Qu.:2.000   3rd Qu.:2.0000   3rd Qu.:1.00  
##  Max.   :4.000   Max.   :2.000   Max.   :3.0000   Max.   :3.00  
##                                                                 
##     p_format         perslecl    
##  Min.   :0.0000   Min.   :0.000  
##  1st Qu.:0.0000   1st Qu.:1.000  
##  Median :0.0000   Median :1.000  
##  Mean   :0.4615   Mean   :1.334  
##  3rd Qu.:1.0000   3rd Qu.:2.000  
##  Max.   :3.0000   Max.   :2.000  
## 
## 'data.frame':    1948 obs. of  108 variables:
##  $ folio   : chr  "11B193" "11B193" "11B193" "11B193" ...
##  $ entidad : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ control : int  40048 40048 40048 40048 40060 40060 40060 40060 40085 40085 ...
##  $ viv_sel : int  2 3 1 4 2 3 4 1 1 2 ...
##  $ num_hog : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ hog_mud : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ n_ren_el: int  2 1 6 1 2 3 1 1 2 3 ...
##  $ cd      : int  14 14 14 14 14 14 14 14 14 14 ...
##  $ periodo : int  221 221 221 221 221 221 221 221 221 221 ...
##  $ sexo    : int  2 1 2 1 2 1 1 1 2 2 ...
##  $ edad    : int  40 43 27 68 56 44 46 49 22 19 ...
##  $ nivel   : int  2 3 4 2 3 7 2 2 4 4 ...
##  $ anio    : int  6 3 3 6 3 2 6 6 3 3 ...
##  $ cond_act: int  7 1 7 1 1 1 1 1 7 6 ...
##  $ p1      : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p2      : int  2 2 2 1 2 2 2 2 1 1 ...
##  $ p3_1    : int  2 2 2 2 2 2 2 2 1 1 ...
##  $ p3_2    : int  2 2 2 2 2 2 2 2 1 1 ...
##  $ p3_3    : int  2 2 2 1 2 2 2 2 2 2 ...
##  $ p3_4    : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p3_5    : int  1 2 1 2 2 2 2 2 1 1 ...
##  $ p4      : int  0 0 0 0 0 0 0 0 1 3 ...
##  $ p5      : int  0 0 0 0 0 0 0 0 4 2 ...
##  $ p5_6esp : chr  "" "" "" "" ...
##  $ p6_1    : int  0 0 0 0 0 0 0 0 2 2 ...
##  $ p6_2    : int  0 0 0 0 0 0 0 0 2 1 ...
##  $ p6_3    : int  0 0 0 0 0 0 0 0 1 2 ...
##  $ p6_4    : int  0 0 0 0 0 0 0 0 2 1 ...
##  $ p6_5    : int  0 0 0 0 0 0 0 0 2 2 ...
##  $ p6_6    : int  0 0 0 0 0 0 0 0 2 2 ...
##  $ p6_6esp : chr  "" "" "" "" ...
##  $ p7      : int  0 0 0 0 0 0 0 0 3 3 ...
##  $ p7_3    : int  0 0 0 0 0 0 0 0 280 750 ...
##  $ p8_1    : int  0 0 0 0 0 0 0 0 2 2 ...
##  $ p8_2    : int  0 0 0 0 0 0 0 0 1 1 ...
##  $ p9      : int  0 0 0 0 0 0 0 0 1 1 ...
##  $ p9_5esp : chr  "" "" "" "" ...
##  $ p10     : int  0 0 0 0 0 0 0 0 3 2 ...
##  $ p11     : int  0 0 0 0 0 0 0 0 4 4 ...
##  $ p11_6esp: chr  "" "" "" "" ...
##  $ p12_1   : int  0 0 0 0 0 0 0 0 2 2 ...
##  $ p12_2   : int  0 0 0 0 0 0 0 0 2 2 ...
##  $ p12_3   : int  0 0 0 0 0 0 0 0 1 2 ...
##  $ p12_4   : int  0 0 0 0 0 0 0 0 1 1 ...
##  $ p12_5   : int  0 0 0 0 0 0 0 0 2 2 ...
##  $ p12_6   : int  0 0 0 0 0 0 0 0 2 2 ...
##  $ p12_7   : int  0 0 0 0 0 0 0 0 2 2 ...
##  $ p12_8   : int  0 0 0 0 0 0 0 0 1 1 ...
##  $ p12_9   : int  0 0 0 0 0 0 0 0 2 2 ...
##  $ p12_9esp: chr  "" "" "" "" ...
##  $ p13     : int  0 0 0 0 0 0 0 0 2 2 ...
##  $ p13_3   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p14_1   : int  0 0 0 0 0 0 0 0 2 2 ...
##  $ p14_2   : int  0 0 0 0 0 0 0 0 1 1 ...
##  $ p15     : int  0 0 0 0 0 0 0 0 1 1 ...
##  $ p15_5esp: chr  "" "" "" "" ...
##  $ p16     : int  0 0 0 3 0 0 0 0 0 0 ...
##  $ p17     : int  0 0 0 4 0 0 0 0 0 0 ...
##  $ p17_6esp: chr  "" "" "" "" ...
##  $ p18_1   : int  0 0 0 1 0 0 0 0 0 0 ...
##  $ p18_2   : int  0 0 0 2 0 0 0 0 0 0 ...
##  $ p18_3   : int  0 0 0 2 0 0 0 0 0 0 ...
##  $ p18_4   : int  0 0 0 1 0 0 0 0 0 0 ...
##  $ p18_5   : int  0 0 0 1 0 0 0 0 0 0 ...
##  $ p19     : int  0 0 0 3 0 0 0 0 0 0 ...
##  $ p19_3   : int  0 0 0 7 0 0 0 0 0 0 ...
##  $ p20_1   : int  0 0 0 1 0 0 0 0 0 0 ...
##  $ p20_2   : int  0 0 0 1 0 0 0 0 0 0 ...
##  $ p21     : int  0 0 0 1 0 0 0 0 0 0 ...
##  $ p21_5esp: chr  "" "" "" "" ...
##  $ p22     : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p23_1   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p23_2   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p24     : int  5 0 5 0 0 0 0 0 5 1 ...
##  $ p25     : int  4 0 4 0 0 0 0 0 3 2 ...
##  $ p25_6esp: chr  "" "" "" "" ...
##  $ p26     : int  15 0 20 20 0 0 0 0 60 120 ...
##  $ p27     : int  2 0 2 2 0 0 0 0 2 2 ...
##  $ p28     : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p28_7esp: chr  "" "" "" "" ...
##  $ p29     : int  1 0 2 2 0 0 0 0 3 4 ...
##  $ p30     : int  3 0 3 1 0 0 0 0 4 4 ...
##  $ p31     : int  2 0 2 2 0 0 0 0 1 1 ...
##  $ p32     : int  0 2 0 0 3 2 3 3 0 0 ...
##  $ p32_6esp: chr  "" "" "" "" ...
##  $ p33_1   : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p33_2   : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p33_3   : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p33_4   : int  2 2 2 2 2 2 2 2 2 1 ...
##  $ p34_1   : int  2 2 2 2 2 2 2 2 1 1 ...
##  $ p34_2   : int  1 2 2 2 2 2 2 2 1 1 ...
##  $ p34_3   : int  1 2 2 2 2 2 2 2 1 1 ...
##  $ p34_3_1 : int  2 0 0 0 0 0 0 0 1 2 ...
##  $ p34_4   : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p34_4_1 : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p35     : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p36_1   : int  1 1 1 2 2 2 1 2 1 1 ...
##  $ p36_2   : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p36_3   : int  1 1 1 2 1 1 1 1 1 1 ...
##   [list output truncated]
##   [1] "folio"    "entidad"  "control"  "viv_sel"  "num_hog"  "hog_mud" 
##   [7] "n_ren_el" "cd"       "periodo"  "sexo"     "edad"     "nivel"   
##  [13] "anio"     "cond_act" "p1"       "p2"       "p3_1"     "p3_2"    
##  [19] "p3_3"     "p3_4"     "p3_5"     "p4"       "p5"       "p5_6esp" 
##  [25] "p6_1"     "p6_2"     "p6_3"     "p6_4"     "p6_5"     "p6_6"    
##  [31] "p6_6esp"  "p7"       "p7_3"     "p8_1"     "p8_2"     "p9"      
##  [37] "p9_5esp"  "p10"      "p11"      "p11_6esp" "p12_1"    "p12_2"   
##  [43] "p12_3"    "p12_4"    "p12_5"    "p12_6"    "p12_7"    "p12_8"   
##  [49] "p12_9"    "p12_9esp" "p13"      "p13_3"    "p14_1"    "p14_2"   
##  [55] "p15"      "p15_5esp" "p16"      "p17"      "p17_6esp" "p18_1"   
##  [61] "p18_2"    "p18_3"    "p18_4"    "p18_5"    "p19"      "p19_3"   
##  [67] "p20_1"    "p20_2"    "p21"      "p21_5esp" "p22"      "p23_1"   
##  [73] "p23_2"    "p24"      "p25"      "p25_6esp" "p26"      "p27"     
##  [79] "p28"      "p28_7esp" "p29"      "p30"      "p31"      "p32"     
##  [85] "p32_6esp" "p33_1"    "p33_2"    "p33_3"    "p33_4"    "p34_1"   
##  [91] "p34_2"    "p34_3"    "p34_3_1"  "p34_4"    "p34_4_1"  "p35"     
##  [97] "p36_1"    "p36_2"    "p36_3"    "p36_4"    "factor"   "h_lec"   
## [103] "mat_lec"  "perslec"  "l_format" "r_format" "p_format" "perslecl"
##    folio entidad control viv_sel num_hog hog_mud n_ren_el cd periodo sexo edad
## 1 11B193       1   40048       2       1       0        2 14     221    2   40
## 2 11B193       1   40048       3       1       0        1 14     221    1   43
## 3 11B193       1   40048       1       1       0        6 14     221    2   27
## 4 11B193       1   40048       4       1       0        1 14     221    1   68
## 5 11A192       1   40060       2       1       0        2 14     221    2   56
## 6 11A192       1   40060       3       1       0        3 14     221    1   44
##   nivel anio cond_act p1 p2 p3_1 p3_2 p3_3 p3_4 p3_5 p4 p5 p5_6esp p6_1 p6_2
## 1     2    6        7  1  2    2    2    2    2    1  0  0            0    0
## 2     3    3        1  1  2    2    2    2    2    2  0  0            0    0
## 3     4    3        7  1  2    2    2    2    2    1  0  0            0    0
## 4     2    6        1  1  1    2    2    1    2    2  0  0            0    0
## 5     3    3        1  1  2    2    2    2    2    2  0  0            0    0
## 6     7    2        1  1  2    2    2    2    2    2  0  0            0    0
##   p6_3 p6_4 p6_5 p6_6 p6_6esp p7 p7_3 p8_1 p8_2 p9 p9_5esp p10 p11 p11_6esp
## 1    0    0    0    0          0    0    0    0  0           0   0         
## 2    0    0    0    0          0    0    0    0  0           0   0         
## 3    0    0    0    0          0    0    0    0  0           0   0         
## 4    0    0    0    0          0    0    0    0  0           0   0         
## 5    0    0    0    0          0    0    0    0  0           0   0         
## 6    0    0    0    0          0    0    0    0  0           0   0         
##   p12_1 p12_2 p12_3 p12_4 p12_5 p12_6 p12_7 p12_8 p12_9 p12_9esp p13 p13_3
## 1     0     0     0     0     0     0     0     0     0            0     0
## 2     0     0     0     0     0     0     0     0     0            0     0
## 3     0     0     0     0     0     0     0     0     0            0     0
## 4     0     0     0     0     0     0     0     0     0            0     0
## 5     0     0     0     0     0     0     0     0     0            0     0
## 6     0     0     0     0     0     0     0     0     0            0     0
##   p14_1 p14_2 p15 p15_5esp p16 p17 p17_6esp p18_1 p18_2 p18_3 p18_4 p18_5 p19
## 1     0     0   0            0   0              0     0     0     0     0   0
## 2     0     0   0            0   0              0     0     0     0     0   0
## 3     0     0   0            0   0              0     0     0     0     0   0
## 4     0     0   0            3   4              1     2     2     1     1   3
## 5     0     0   0            0   0              0     0     0     0     0   0
## 6     0     0   0            0   0              0     0     0     0     0   0
##   p19_3 p20_1 p20_2 p21 p21_5esp p22 p23_1 p23_2 p24 p25 p25_6esp p26 p27 p28
## 1     0     0     0   0            0     0     0   5   4           15   2   0
## 2     0     0     0   0            0     0     0   0   0            0   0   0
## 3     0     0     0   0            0     0     0   5   4           20   2   0
## 4     7     1     1   1            0     0     0   0   0           20   2   0
## 5     0     0     0   0            0     0     0   0   0            0   0   0
## 6     0     0     0   0            0     0     0   0   0            0   0   0
##   p28_7esp p29 p30 p31 p32 p32_6esp p33_1 p33_2 p33_3 p33_4 p34_1 p34_2 p34_3
## 1            1   3   2   0              2     2     2     2     2     1     1
## 2            0   0   0   2              2     2     2     2     2     2     2
## 3            2   3   2   0              2     2     2     2     2     2     2
## 4            2   1   2   0              2     2     2     2     2     2     2
## 5            0   0   0   3              2     2     2     2     2     2     2
## 6            0   0   0   2              2     2     2     2     2     2     2
##   p34_3_1 p34_4 p34_4_1 p35 p36_1 p36_2 p36_3 p36_4 factor h_lec mat_lec
## 1       2     1       1   1     1     1     1     1  14969     3       3
## 2       0     1       1   1     1     1     1     2  16592     4       4
## 3       0     1       1   1     1     1     1     1  36357     3       3
## 4       0     1       1   1     2     1     2     2  19122     1       3
## 5       0     1       1   1     2     1     1     2  30694     4       4
## 6       0     1       1   1     2     1     1     2  25292     4       4
##   perslec l_format r_format p_format perslecl
## 1       1        0        0        0        2
## 2       2        0        0        0        2
## 3       1        0        0        0        2
## 4       1        0        0        3        1
## 5       2        0        0        0        2
## 6       2        0        0        0        2
##    folio  entidad  control  viv_sel  num_hog  hog_mud n_ren_el       cd 
##        0        0        0        0        0        0        0        0 
##  periodo     sexo     edad    nivel     anio cond_act       p1       p2 
##        0        0        0        0       52        0        0        0 
##     p3_1     p3_2     p3_3     p3_4     p3_5       p4       p5  p5_6esp 
##        0        0        0        0        0        0        0        0 
##     p6_1     p6_2     p6_3     p6_4     p6_5     p6_6  p6_6esp       p7 
##        0        0        0        0        0        0        0        0 
##     p7_3     p8_1     p8_2       p9  p9_5esp      p10      p11 p11_6esp 
##        0        0        0        0        0        0        0        0 
##    p12_1    p12_2    p12_3    p12_4    p12_5    p12_6    p12_7    p12_8 
##        0        0        0        0        0        0        0        0 
##    p12_9 p12_9esp      p13    p13_3    p14_1    p14_2      p15 p15_5esp 
##        0        0        0        0        0        0        0        0 
##      p16      p17 p17_6esp    p18_1    p18_2    p18_3    p18_4    p18_5 
##        0        0        0        0        0        0        0        0 
##      p19    p19_3    p20_1    p20_2      p21 p21_5esp      p22    p23_1 
##        0        0        0        0        0        0        0        0 
##    p23_2      p24      p25 p25_6esp      p26      p27      p28 p28_7esp 
##        0        0        0        0        0        0        0        0 
##      p29      p30      p31      p32 p32_6esp    p33_1    p33_2    p33_3 
##        0        0        0        0        0        0        0        0 
##    p33_4    p34_1    p34_2    p34_3  p34_3_1    p34_4  p34_4_1      p35 
##        0        0        0        0        0        0        0        0 
##    p36_1    p36_2    p36_3    p36_4   factor    h_lec  mat_lec  perslec 
##        0        0        0        0        0        0        0        0 
## l_format r_format p_format perslecl 
##        0        0        0        0
##     folio              entidad         control         viv_sel         num_hog 
##  Length:2016        Min.   : 1.00   Min.   :22251   Min.   :1.000   Min.   :1  
##  Class :character   1st Qu.: 9.00   1st Qu.:40087   1st Qu.:1.000   1st Qu.:1  
##  Mode  :character   Median :15.00   Median :40211   Median :2.000   Median :1  
##                     Mean   :15.65   Mean   :40227   Mean   :2.475   Mean   :1  
##                     3rd Qu.:20.00   3rd Qu.:40348   3rd Qu.:3.000   3rd Qu.:1  
##                     Max.   :32.00   Max.   :41398   Max.   :4.000   Max.   :1  
##                                                                                
##     hog_mud           n_ren_el            cd           periodo   
##  Min.   :0.00000   Min.   : 1.000   Min.   : 1.00   Min.   :222  
##  1st Qu.:0.00000   1st Qu.: 1.000   1st Qu.: 2.00   1st Qu.:222  
##  Median :0.00000   Median : 1.000   Median : 9.00   Median :222  
##  Mean   :0.04911   Mean   : 1.684   Mean   :13.65   Mean   :222  
##  3rd Qu.:0.00000   3rd Qu.: 2.000   3rd Qu.:25.00   3rd Qu.:222  
##  Max.   :3.00000   Max.   :10.000   Max.   :43.00   Max.   :222  
##                                                                  
##       sexo           edad           nivel             anio     
##  Min.   :1.00   Min.   :18.00   Min.   : 0.000   Min.   :1.00  
##  1st Qu.:1.00   1st Qu.:32.00   1st Qu.: 3.000   1st Qu.:3.00  
##  Median :2.00   Median :44.00   Median : 4.000   Median :3.00  
##  Mean   :1.56   Mean   :45.88   Mean   : 4.655   Mean   :3.47  
##  3rd Qu.:2.00   3rd Qu.:58.00   3rd Qu.: 7.000   3rd Qu.:4.00  
##  Max.   :2.00   Max.   :97.00   Max.   :99.000   Max.   :6.00  
##                                                  NA's   :39    
##     cond_act            p1              p2             p3_1      
##  Min.   : 1.000   Min.   :1.000   Min.   :0.000   Min.   :0.000  
##  1st Qu.: 1.000   1st Qu.:1.000   1st Qu.:1.000   1st Qu.:1.000  
##  Median : 1.000   Median :1.000   Median :1.000   Median :2.000  
##  Mean   : 3.274   Mean   :1.018   Mean   :1.371   Mean   :1.547  
##  3rd Qu.: 7.000   3rd Qu.:1.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :10.000   Max.   :2.000   Max.   :2.000   Max.   :2.000  
##                                                                  
##       p3_2           p3_3            p3_4            p3_5      
##  Min.   :0.00   Min.   :0.000   Min.   :0.000   Min.   :0.000  
##  1st Qu.:1.00   1st Qu.:1.000   1st Qu.:2.000   1st Qu.:1.000  
##  Median :2.00   Median :2.000   Median :2.000   Median :2.000  
##  Mean   :1.72   Mean   :1.731   Mean   :1.909   Mean   :1.583  
##  3rd Qu.:2.00   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :2.00   Max.   :2.000   Max.   :2.000   Max.   :2.000  
##                                                                
##        p4               p5          p5_6esp               p6_1       
##  Min.   : 0.000   Min.   :0.000   Length:2016        Min.   :0.0000  
##  1st Qu.: 0.000   1st Qu.:0.000   Class :character   1st Qu.:0.0000  
##  Median : 0.000   Median :0.000   Mode  :character   Median :0.0000  
##  Mean   : 1.627   Mean   :1.406                      Mean   :0.7996  
##  3rd Qu.: 2.000   3rd Qu.:3.000                      3rd Qu.:2.0000  
##  Max.   :99.000   Max.   :6.000                      Max.   :2.0000  
##                                                                      
##       p6_2             p6_3             p6_4             p6_5       
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.7173   Mean   :0.7009   Mean   :0.6711   Mean   :0.7292  
##  3rd Qu.:2.0000   3rd Qu.:2.0000   3rd Qu.:2.0000   3rd Qu.:2.0000  
##  Max.   :2.0000   Max.   :2.0000   Max.   :2.0000   Max.   :2.0000  
##                                                                     
##       p6_6          p6_6esp                p7              p7_3       
##  Min.   :0.0000   Length:2016        Min.   :0.0000   Min.   :     0  
##  1st Qu.:0.0000   Class :character   1st Qu.:0.0000   1st Qu.:     0  
##  Median :0.0000   Mode  :character   Median :0.0000   Median :     0  
##  Mean   :0.8323                      Mean   :0.9062   Mean   :  3699  
##  3rd Qu.:2.0000                      3rd Qu.:2.0000   3rd Qu.:     0  
##  Max.   :2.0000                      Max.   :3.0000   Max.   :999999  
##                                                                       
##       p8_1             p8_2              p9           p9_5esp         
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Length:2016       
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   Class :character  
##  Median :0.0000   Median :0.0000   Median :0.0000   Mode  :character  
##  Mean   :0.7292   Mean   :0.4931   Mean   :0.4712                     
##  3rd Qu.:2.0000   3rd Qu.:1.0000   3rd Qu.:1.0000                     
##  Max.   :2.0000   Max.   :2.0000   Max.   :5.0000                     
##                                                                       
##       p10              p11           p11_6esp             p12_1       
##  Min.   : 0.000   Min.   :0.0000   Length:2016        Min.   :0.0000  
##  1st Qu.: 0.000   1st Qu.:0.0000   Class :character   1st Qu.:0.0000  
##  Median : 0.000   Median :0.0000   Mode  :character   Median :0.0000  
##  Mean   : 0.869   Mean   :0.8318                      Mean   :0.4628  
##  3rd Qu.: 0.000   3rd Qu.:0.0000                      3rd Qu.:0.0000  
##  Max.   :60.000   Max.   :6.0000                      Max.   :2.0000  
##                                                                       
##      p12_2            p12_3            p12_4            p12_5       
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.4435   Mean   :0.4375   Mean   :0.4479   Mean   :0.4588  
##  3rd Qu.:0.0000   3rd Qu.:0.0000   3rd Qu.:0.0000   3rd Qu.:0.0000  
##  Max.   :2.0000   Max.   :2.0000   Max.   :2.0000   Max.   :2.0000  
##                                                                     
##      p12_6            p12_7            p12_8            p12_9       
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.4206   Mean   :0.4291   Mean   :0.4335   Mean   :0.4836  
##  3rd Qu.:0.0000   3rd Qu.:0.0000   3rd Qu.:0.0000   3rd Qu.:0.0000  
##  Max.   :2.0000   Max.   :2.0000   Max.   :2.0000   Max.   :2.0000  
##                                                                     
##    p12_9esp              p13             p13_3            p14_1      
##  Length:2016        Min.   :0.0000   Min.   :     0   Min.   :0.000  
##  Class :character   1st Qu.:0.0000   1st Qu.:     0   1st Qu.:0.000  
##  Mode  :character   Median :0.0000   Median :     0   Median :0.000  
##                     Mean   :0.5263   Mean   :  1008   Mean   :0.433  
##                     3rd Qu.:0.0000   3rd Qu.:     0   3rd Qu.:0.000  
##                     Max.   :3.0000   Max.   :999999   Max.   :2.000  
##                                                                      
##      p14_2             p15           p15_5esp              p16         
##  Min.   :0.0000   Min.   :0.0000   Length:2016        Min.   : 0.0000  
##  1st Qu.:0.0000   1st Qu.:0.0000   Class :character   1st Qu.: 0.0000  
##  Median :0.0000   Median :0.0000   Mode  :character   Median : 0.0000  
##  Mean   :0.2912   Mean   :0.2917                      Mean   : 0.7445  
##  3rd Qu.:0.0000   3rd Qu.:0.0000                      3rd Qu.: 0.0000  
##  Max.   :2.0000   Max.   :5.0000                      Max.   :30.0000  
##                                                                        
##       p17           p17_6esp             p18_1            p18_2       
##  Min.   :0.0000   Length:2016        Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   Class :character   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Mode  :character   Median :0.0000   Median :0.0000  
##  Mean   :0.7733                      Mean   :0.3085   Mean   :0.3175  
##  3rd Qu.:0.0000                      3rd Qu.:0.0000   3rd Qu.:0.0000  
##  Max.   :6.0000                      Max.   :2.0000   Max.   :2.0000  
##                                                                       
##      p18_3            p18_4            p18_5             p19        
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.3189   Mean   :0.3413   Mean   :0.2951   Mean   :0.5397  
##  3rd Qu.:0.0000   3rd Qu.:0.0000   3rd Qu.:0.0000   3rd Qu.:0.0000  
##  Max.   :2.0000   Max.   :2.0000   Max.   :2.0000   Max.   :3.0000  
##                                                                     
##      p19_3              p20_1            p20_2             p21        
##  Min.   :     0.0   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:     0.0   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :     0.0   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :   998.2   Mean   :0.4206   Mean   :0.2753   Mean   :0.3105  
##  3rd Qu.:     0.0   3rd Qu.:0.0000   3rd Qu.:0.0000   3rd Qu.:0.0000  
##  Max.   :999999.0   Max.   :2.0000   Max.   :2.0000   Max.   :5.0000  
##                                                                       
##    p21_5esp              p22             p23_1             p23_2        
##  Length:2016        Min.   :0.0000   Min.   :0.00000   Min.   :0.00000  
##  Class :character   1st Qu.:0.0000   1st Qu.:0.00000   1st Qu.:0.00000  
##  Mode  :character   Median :0.0000   Median :0.00000   Median :0.00000  
##                     Mean   :0.1969   Mean   :0.08185   Mean   :0.07391  
##                     3rd Qu.:0.0000   3rd Qu.:0.00000   3rd Qu.:0.00000  
##                     Max.   :5.0000   Max.   :2.00000   Max.   :2.00000  
##                                                                         
##       p24              p25          p25_6esp              p26        
##  Min.   :0.0000   Min.   :0.000   Length:2016        Min.   :  0.00  
##  1st Qu.:0.0000   1st Qu.:0.000   Class :character   1st Qu.:  0.00  
##  Median :0.0000   Median :0.000   Mode  :character   Median : 20.00  
##  Mean   :0.8408   Mean   :1.163                      Mean   : 28.45  
##  3rd Qu.:1.0000   3rd Qu.:3.000                      3rd Qu.: 40.00  
##  Max.   :5.0000   Max.   :6.000                      Max.   :360.00  
##                                                                      
##       p27             p28           p28_7esp              p29      
##  Min.   :0.000   Min.   :0.0000   Length:2016        Min.   :0.00  
##  1st Qu.:0.000   1st Qu.:0.0000   Class :character   1st Qu.:0.00  
##  Median :2.000   Median :0.0000   Mode  :character   Median :2.00  
##  Mean   :1.267   Mean   :0.6141                      Mean   :1.75  
##  3rd Qu.:2.000   3rd Qu.:0.0000                      3rd Qu.:3.00  
##  Max.   :2.000   Max.   :7.0000                      Max.   :4.00  
##                                                                    
##       p30             p31             p32          p32_6esp        
##  Min.   :0.000   Min.   :0.000   Min.   :0.000   Length:2016       
##  1st Qu.:0.000   1st Qu.:0.000   1st Qu.:0.000   Class :character  
##  Median :3.000   Median :1.000   Median :0.000   Mode  :character  
##  Mean   :2.129   Mean   :1.077   Mean   :0.754                     
##  3rd Qu.:3.000   3rd Qu.:2.000   3rd Qu.:1.000                     
##  Max.   :4.000   Max.   :2.000   Max.   :6.000                     
##                                                                    
##      p33_1           p33_2           p33_3           p33_4      
##  Min.   :0.000   Min.   :0.000   Min.   :0.000   Min.   :0.000  
##  1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000  
##  Median :2.000   Median :2.000   Median :2.000   Median :2.000  
##  Mean   :1.813   Mean   :1.865   Mean   :1.931   Mean   :1.854  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :2.000   Max.   :2.000   Max.   :2.000   Max.   :2.000  
##                                                                 
##      p34_1           p34_2         p34_3          p34_3_1           p34_4      
##  Min.   :0.000   Min.   :0.0   Min.   :0.000   Min.   :0.0000   Min.   :0.000  
##  1st Qu.:1.000   1st Qu.:1.0   1st Qu.:1.000   1st Qu.:0.0000   1st Qu.:1.000  
##  Median :2.000   Median :1.0   Median :2.000   Median :0.0000   Median :1.000  
##  Mean   :1.693   Mean   :1.5   Mean   :1.645   Mean   :0.5938   Mean   :1.428  
##  3rd Qu.:2.000   3rd Qu.:2.0   3rd Qu.:2.000   3rd Qu.:1.0000   3rd Qu.:2.000  
##  Max.   :3.000   Max.   :3.0   Max.   :3.000   Max.   :3.0000   Max.   :3.000  
##                                                                                
##     p34_4_1           p35             p36_1           p36_2      
##  Min.   :0.000   Min.   :0.0000   Min.   :0.000   Min.   :0.000  
##  1st Qu.:0.000   1st Qu.:1.0000   1st Qu.:1.000   1st Qu.:1.000  
##  Median :1.000   Median :1.0000   Median :1.000   Median :1.000  
##  Mean   :1.098   Mean   :0.9896   Mean   :1.426   Mean   :1.243  
##  3rd Qu.:2.000   3rd Qu.:1.0000   3rd Qu.:2.000   3rd Qu.:1.000  
##  Max.   :6.000   Max.   :2.0000   Max.   :3.000   Max.   :3.000  
##                                                                  
##      p36_3           p36_4           factor           h_lec      
##  Min.   :0.000   Min.   :0.000   Min.   :  1481   Min.   :0.000  
##  1st Qu.:1.000   1st Qu.:1.000   1st Qu.: 12064   1st Qu.:1.000  
##  Median :1.000   Median :1.000   Median : 17342   Median :1.000  
##  Mean   :1.347   Mean   :1.439   Mean   : 19896   Mean   :2.049  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.: 24978   3rd Qu.:4.000  
##  Max.   :3.000   Max.   :3.000   Max.   :101135   Max.   :4.000  
##                                                                  
##     mat_lec         perslec         l_format         r_format     
##  Min.   :0.000   Min.   :0.000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:2.000   1st Qu.:1.000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :3.000   Median :1.000   Median :0.0000   Median :0.0000  
##  Mean   :2.708   Mean   :1.271   Mean   :0.7847   Mean   :0.4459  
##  3rd Qu.:4.000   3rd Qu.:2.000   3rd Qu.:2.0000   3rd Qu.:0.0000  
##  Max.   :4.000   Max.   :2.000   Max.   :3.0000   Max.   :3.0000  
##                                                                   
##     p_format         perslecl    
##  Min.   :0.0000   Min.   :0.000  
##  1st Qu.:0.0000   1st Qu.:1.000  
##  Median :0.0000   Median :1.000  
##  Mean   :0.4246   Mean   :1.357  
##  3rd Qu.:0.0000   3rd Qu.:2.000  
##  Max.   :3.0000   Max.   :2.000  
## 
## 'data.frame':    2016 obs. of  108 variables:
##  $ folio   : chr  "12A207" "12A207" "12A207" "12A207" ...
##  $ entidad : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ control : int  40007 40007 40007 40007 40048 40048 40048 40048 40085 40085 ...
##  $ viv_sel : int  4 2 1 3 1 2 3 4 4 1 ...
##  $ num_hog : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ hog_mud : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ n_ren_el: int  1 2 1 2 6 2 1 1 1 2 ...
##  $ cd      : int  14 14 14 14 14 14 14 14 14 14 ...
##  $ periodo : int  222 222 222 222 222 222 222 222 222 222 ...
##  $ sexo    : int  1 2 1 2 2 2 1 1 1 2 ...
##  $ edad    : int  51 73 52 35 28 41 44 69 45 23 ...
##  $ nivel   : int  6 2 3 3 4 2 3 2 4 4 ...
##  $ anio    : int  3 6 3 3 3 6 3 6 3 3 ...
##  $ cond_act: int  1 7 1 1 7 7 1 1 1 7 ...
##  $ p1      : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p2      : int  2 2 2 2 2 1 2 2 1 1 ...
##  $ p3_1    : int  2 2 2 2 2 2 2 2 1 2 ...
##  $ p3_2    : int  2 2 2 2 2 2 2 2 1 2 ...
##  $ p3_3    : int  2 2 2 2 2 2 2 2 1 2 ...
##  $ p3_4    : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p3_5    : int  1 2 1 1 1 2 2 2 1 1 ...
##  $ p4      : int  0 0 0 0 0 0 0 0 3 0 ...
##  $ p5      : int  0 0 0 0 0 0 0 0 4 0 ...
##  $ p5_6esp : chr  "" "" "" "" ...
##  $ p6_1    : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p6_2    : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p6_3    : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p6_4    : int  0 0 0 0 0 0 0 0 1 0 ...
##  $ p6_5    : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p6_6    : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p6_6esp : chr  "" "" "" "" ...
##  $ p7      : int  0 0 0 0 0 0 0 0 3 0 ...
##  $ p7_3    : int  0 0 0 0 0 0 0 0 600 0 ...
##  $ p8_1    : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p8_2    : int  0 0 0 0 0 0 0 0 1 0 ...
##  $ p9      : int  0 0 0 0 0 0 0 0 1 0 ...
##  $ p9_5esp : chr  "" "" "" "" ...
##  $ p10     : int  0 0 0 0 0 0 0 0 10 0 ...
##  $ p11     : int  0 0 0 0 0 0 0 0 4 0 ...
##  $ p11_6esp: chr  "" "" "" "" ...
##  $ p12_1   : int  0 0 0 0 0 0 0 0 1 0 ...
##  $ p12_2   : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p12_3   : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p12_4   : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p12_5   : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p12_6   : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p12_7   : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p12_8   : int  0 0 0 0 0 0 0 0 1 0 ...
##  $ p12_9   : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p12_9esp: chr  "" "" "" "" ...
##  $ p13     : int  0 0 0 0 0 0 0 0 3 0 ...
##  $ p13_3   : int  0 0 0 0 0 0 0 0 150 0 ...
##  $ p14_1   : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p14_2   : int  0 0 0 0 0 0 0 0 1 0 ...
##  $ p15     : int  0 0 0 0 0 0 0 0 4 0 ...
##  $ p15_5esp: chr  "" "" "" "" ...
##  $ p16     : int  0 0 0 0 0 0 0 0 1 0 ...
##  $ p17     : int  0 0 0 0 0 0 0 0 4 0 ...
##  $ p17_6esp: chr  "" "" "" "" ...
##  $ p18_1   : int  0 0 0 0 0 0 0 0 1 0 ...
##  $ p18_2   : int  0 0 0 0 0 0 0 0 1 0 ...
##  $ p18_3   : int  0 0 0 0 0 0 0 0 1 0 ...
##  $ p18_4   : int  0 0 0 0 0 0 0 0 1 0 ...
##  $ p18_5   : int  0 0 0 0 0 0 0 0 1 0 ...
##  $ p19     : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p19_3   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p20_1   : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p20_2   : int  0 0 0 0 0 0 0 0 1 0 ...
##  $ p21     : int  0 0 0 0 0 0 0 0 1 0 ...
##  $ p21_5esp: chr  "" "" "" "" ...
##  $ p22     : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p23_1   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p23_2   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p24     : int  5 0 5 2 5 0 0 0 1 1 ...
##  $ p25     : int  4 0 4 2 2 0 0 0 4 4 ...
##  $ p25_6esp: chr  "" "" "" "" ...
##  $ p26     : int  20 0 15 20 20 0 0 0 20 60 ...
##  $ p27     : int  2 0 2 2 2 0 0 0 2 2 ...
##  $ p28     : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p28_7esp: chr  "" "" "" "" ...
##  $ p29     : int  2 0 2 3 2 0 0 0 3 2 ...
##  $ p30     : int  3 0 3 3 3 0 0 0 4 3 ...
##  $ p31     : int  2 0 2 2 2 0 0 0 2 2 ...
##  $ p32     : int  0 1 0 0 0 1 3 5 0 0 ...
##  $ p32_6esp: chr  "" "" "" "" ...
##  $ p33_1   : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p33_2   : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p33_3   : int  2 2 2 2 2 2 2 2 1 2 ...
##  $ p33_4   : int  2 2 2 1 2 2 2 2 2 2 ...
##  $ p34_1   : int  2 2 2 1 2 2 2 2 1 1 ...
##  $ p34_2   : int  1 2 2 2 2 2 2 2 1 1 ...
##  $ p34_3   : int  1 2 2 2 2 2 2 2 1 1 ...
##  $ p34_3_1 : int  2 0 0 0 0 0 0 0 1 2 ...
##  $ p34_4   : int  1 1 1 2 1 1 1 2 1 1 ...
##  $ p34_4_1 : int  1 1 1 0 1 1 1 0 1 1 ...
##  $ p35     : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p36_1   : int  1 1 1 1 1 1 1 2 1 1 ...
##  $ p36_2   : int  1 1 1 1 1 1 1 2 1 1 ...
##  $ p36_3   : int  1 1 1 1 1 1 1 2 1 1 ...
##   [list output truncated]
##   [1] "folio"    "entidad"  "control"  "viv_sel"  "num_hog"  "hog_mud" 
##   [7] "n_ren_el" "cd"       "periodo"  "sexo"     "edad"     "nivel"   
##  [13] "anio"     "cond_act" "p1"       "p2"       "p3_1"     "p3_2"    
##  [19] "p3_3"     "p3_4"     "p3_5"     "p4"       "p5"       "p5_6esp" 
##  [25] "p6_1"     "p6_2"     "p6_3"     "p6_4"     "p6_5"     "p6_6"    
##  [31] "p6_6esp"  "p7"       "p7_3"     "p8_1"     "p8_2"     "p9"      
##  [37] "p9_5esp"  "p10"      "p11"      "p11_6esp" "p12_1"    "p12_2"   
##  [43] "p12_3"    "p12_4"    "p12_5"    "p12_6"    "p12_7"    "p12_8"   
##  [49] "p12_9"    "p12_9esp" "p13"      "p13_3"    "p14_1"    "p14_2"   
##  [55] "p15"      "p15_5esp" "p16"      "p17"      "p17_6esp" "p18_1"   
##  [61] "p18_2"    "p18_3"    "p18_4"    "p18_5"    "p19"      "p19_3"   
##  [67] "p20_1"    "p20_2"    "p21"      "p21_5esp" "p22"      "p23_1"   
##  [73] "p23_2"    "p24"      "p25"      "p25_6esp" "p26"      "p27"     
##  [79] "p28"      "p28_7esp" "p29"      "p30"      "p31"      "p32"     
##  [85] "p32_6esp" "p33_1"    "p33_2"    "p33_3"    "p33_4"    "p34_1"   
##  [91] "p34_2"    "p34_3"    "p34_3_1"  "p34_4"    "p34_4_1"  "p35"     
##  [97] "p36_1"    "p36_2"    "p36_3"    "p36_4"    "factor"   "h_lec"   
## [103] "mat_lec"  "perslec"  "l_format" "r_format" "p_format" "perslecl"
##    folio entidad control viv_sel num_hog hog_mud n_ren_el cd periodo sexo edad
## 1 12A207       1   40007       4       1       0        1 14     222    1   51
## 2 12A207       1   40007       2       1       0        2 14     222    2   73
## 3 12A207       1   40007       1       1       0        1 14     222    1   52
## 4 12A207       1   40007       3       1       0        2 14     222    2   35
## 5 11B193       1   40048       1       1       0        6 14     222    2   28
## 6 11B193       1   40048       2       1       0        2 14     222    2   41
##   nivel anio cond_act p1 p2 p3_1 p3_2 p3_3 p3_4 p3_5 p4 p5 p5_6esp p6_1 p6_2
## 1     6    3        1  1  2    2    2    2    2    1  0  0            0    0
## 2     2    6        7  1  2    2    2    2    2    2  0  0            0    0
## 3     3    3        1  1  2    2    2    2    2    1  0  0            0    0
## 4     3    3        1  1  2    2    2    2    2    1  0  0            0    0
## 5     4    3        7  1  2    2    2    2    2    1  0  0            0    0
## 6     2    6        7  1  1    2    2    2    2    2  0  0            0    0
##   p6_3 p6_4 p6_5 p6_6 p6_6esp p7 p7_3 p8_1 p8_2 p9 p9_5esp p10 p11 p11_6esp
## 1    0    0    0    0          0    0    0    0  0           0   0         
## 2    0    0    0    0          0    0    0    0  0           0   0         
## 3    0    0    0    0          0    0    0    0  0           0   0         
## 4    0    0    0    0          0    0    0    0  0           0   0         
## 5    0    0    0    0          0    0    0    0  0           0   0         
## 6    0    0    0    0          0    0    0    0  0           0   0         
##   p12_1 p12_2 p12_3 p12_4 p12_5 p12_6 p12_7 p12_8 p12_9 p12_9esp p13 p13_3
## 1     0     0     0     0     0     0     0     0     0            0     0
## 2     0     0     0     0     0     0     0     0     0            0     0
## 3     0     0     0     0     0     0     0     0     0            0     0
## 4     0     0     0     0     0     0     0     0     0            0     0
## 5     0     0     0     0     0     0     0     0     0            0     0
## 6     0     0     0     0     0     0     0     0     0            0     0
##   p14_1 p14_2 p15 p15_5esp p16 p17 p17_6esp p18_1 p18_2 p18_3 p18_4 p18_5 p19
## 1     0     0   0            0   0              0     0     0     0     0   0
## 2     0     0   0            0   0              0     0     0     0     0   0
## 3     0     0   0            0   0              0     0     0     0     0   0
## 4     0     0   0            0   0              0     0     0     0     0   0
## 5     0     0   0            0   0              0     0     0     0     0   0
## 6     0     0   0            0   0              0     0     0     0     0   0
##   p19_3 p20_1 p20_2 p21 p21_5esp p22 p23_1 p23_2 p24 p25 p25_6esp p26 p27 p28
## 1     0     0     0   0            0     0     0   5   4           20   2   0
## 2     0     0     0   0            0     0     0   0   0            0   0   0
## 3     0     0     0   0            0     0     0   5   4           15   2   0
## 4     0     0     0   0            0     0     0   2   2           20   2   0
## 5     0     0     0   0            0     0     0   5   2           20   2   0
## 6     0     0     0   0            0     0     0   0   0            0   0   0
##   p28_7esp p29 p30 p31 p32 p32_6esp p33_1 p33_2 p33_3 p33_4 p34_1 p34_2 p34_3
## 1            2   3   2   0              2     2     2     2     2     1     1
## 2            0   0   0   1              2     2     2     2     2     2     2
## 3            2   3   2   0              2     2     2     2     2     2     2
## 4            3   3   2   0              2     2     2     1     1     2     2
## 5            2   3   2   0              2     2     2     2     2     2     2
## 6            0   0   0   1              2     2     2     2     2     2     2
##   p34_3_1 p34_4 p34_4_1 p35 p36_1 p36_2 p36_3 p36_4 factor h_lec mat_lec
## 1       2     1       1   1     1     1     1     2  25403     3       3
## 2       0     1       1   1     1     1     1     2  11406     4       4
## 3       0     1       1   1     1     1     1     2  19052     3       3
## 4       0     2       0   1     1     1     1     1  20172     3       3
## 5       0     1       1   1     1     1     1     1  41647     3       3
## 6       0     1       1   1     1     1     1     2  14875     2       4
##   perslec l_format r_format p_format perslecl
## 1       1        0        0        0        2
## 2       2        0        0        0        2
## 3       1        0        0        0        2
## 4       1        0        0        0        2
## 5       1        0        0        0        2
## 6       2        0        0        0        2
##    folio  entidad  control  viv_sel  num_hog  hog_mud n_ren_el       cd 
##        0        0        0        0        0        0        0        0 
##  periodo     sexo     edad    nivel     anio cond_act       p1       p2 
##        0        0        0        0       39        0        0        0 
##     p3_1     p3_2     p3_3     p3_4     p3_5       p4       p5  p5_6esp 
##        0        0        0        0        0        0        0        0 
##     p6_1     p6_2     p6_3     p6_4     p6_5     p6_6  p6_6esp       p7 
##        0        0        0        0        0        0        0        0 
##     p7_3     p8_1     p8_2       p9  p9_5esp      p10      p11 p11_6esp 
##        0        0        0        0        0        0        0        0 
##    p12_1    p12_2    p12_3    p12_4    p12_5    p12_6    p12_7    p12_8 
##        0        0        0        0        0        0        0        0 
##    p12_9 p12_9esp      p13    p13_3    p14_1    p14_2      p15 p15_5esp 
##        0        0        0        0        0        0        0        0 
##      p16      p17 p17_6esp    p18_1    p18_2    p18_3    p18_4    p18_5 
##        0        0        0        0        0        0        0        0 
##      p19    p19_3    p20_1    p20_2      p21 p21_5esp      p22    p23_1 
##        0        0        0        0        0        0        0        0 
##    p23_2      p24      p25 p25_6esp      p26      p27      p28 p28_7esp 
##        0        0        0        0        0        0        0        0 
##      p29      p30      p31      p32 p32_6esp    p33_1    p33_2    p33_3 
##        0        0        0        0        0        0        0        0 
##    p33_4    p34_1    p34_2    p34_3  p34_3_1    p34_4  p34_4_1      p35 
##        0        0        0        0        0        0        0        0 
##    p36_1    p36_2    p36_3    p36_4   factor    h_lec  mat_lec  perslec 
##        0        0        0        0        0        0        0        0 
## l_format r_format p_format perslecl 
##        0        0        0        0
##     folio              entidad         control         viv_sel         num_hog 
##  Length:1996        Min.   : 1.00   Min.   :40001   Min.   :1.000   Min.   :1  
##  Class :character   1st Qu.: 9.00   1st Qu.:40100   1st Qu.:2.000   1st Qu.:1  
##  Mode  :character   Median :15.00   Median :40199   Median :2.000   Median :1  
##                     Mean   :15.61   Mean   :40253   Mean   :2.486   Mean   :1  
##                     3rd Qu.:21.00   3rd Qu.:40335   3rd Qu.:3.000   3rd Qu.:1  
##                     Max.   :32.00   Max.   :41398   Max.   :4.000   Max.   :1  
##                                                                                
##     hog_mud           n_ren_el            cd           periodo   
##  Min.   :0.00000   Min.   : 1.000   Min.   : 1.00   Min.   :223  
##  1st Qu.:0.00000   1st Qu.: 1.000   1st Qu.: 2.00   1st Qu.:223  
##  Median :0.00000   Median : 1.000   Median : 9.00   Median :223  
##  Mean   :0.05561   Mean   : 1.667   Mean   :13.85   Mean   :223  
##  3rd Qu.:0.00000   3rd Qu.: 2.000   3rd Qu.:25.00   3rd Qu.:223  
##  Max.   :3.00000   Max.   :10.000   Max.   :43.00   Max.   :223  
##                                                                  
##       sexo            edad           nivel             anio      
##  Min.   :1.000   Min.   :18.00   Min.   : 0.000   Min.   :1.000  
##  1st Qu.:1.000   1st Qu.:32.00   1st Qu.: 3.000   1st Qu.:3.000  
##  Median :2.000   Median :45.00   Median : 4.000   Median :3.000  
##  Mean   :1.585   Mean   :46.21   Mean   : 4.709   Mean   :3.521  
##  3rd Qu.:2.000   3rd Qu.:59.00   3rd Qu.: 7.000   3rd Qu.:4.000  
##  Max.   :2.000   Max.   :97.00   Max.   :99.000   Max.   :7.000  
##                                                   NA's   :48     
##     cond_act            p1              p2             p3_1      
##  Min.   : 1.000   Min.   :1.000   Min.   :0.000   Min.   :0.000  
##  1st Qu.: 1.000   1st Qu.:1.000   1st Qu.:1.000   1st Qu.:1.000  
##  Median : 1.000   Median :1.000   Median :1.000   Median :2.000  
##  Mean   : 3.269   Mean   :1.019   Mean   :1.419   Mean   :1.565  
##  3rd Qu.: 7.000   3rd Qu.:1.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :10.000   Max.   :2.000   Max.   :2.000   Max.   :2.000  
##                                                                  
##       p3_2            p3_3            p3_4            p3_5     
##  Min.   :0.000   Min.   :0.000   Min.   :0.000   Min.   :0.00  
##  1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000   1st Qu.:1.00  
##  Median :2.000   Median :2.000   Median :2.000   Median :2.00  
##  Mean   :1.742   Mean   :1.784   Mean   :1.909   Mean   :1.61  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.00  
##  Max.   :2.000   Max.   :2.000   Max.   :2.000   Max.   :2.00  
##                                                                
##        p4               p5         p5_6esp               p6_1       
##  Min.   : 0.000   Min.   :0.00   Length:1996        Min.   :0.0000  
##  1st Qu.: 0.000   1st Qu.:0.00   Class :character   1st Qu.:0.0000  
##  Median : 0.000   Median :0.00   Mode  :character   Median :0.0000  
##  Mean   : 1.381   Mean   :1.34                      Mean   :0.7665  
##  3rd Qu.: 2.000   3rd Qu.:3.00                      3rd Qu.:2.0000  
##  Max.   :80.000   Max.   :6.00                      Max.   :2.0000  
##                                                                     
##       p6_2             p6_3             p6_4             p6_5       
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.6784   Mean   :0.6759   Mean   :0.6473   Mean   :0.6979  
##  3rd Qu.:2.0000   3rd Qu.:2.0000   3rd Qu.:1.0000   3rd Qu.:2.0000  
##  Max.   :2.0000   Max.   :2.0000   Max.   :2.0000   Max.   :2.0000  
##                                                                     
##       p6_6          p6_6esp                p7              p7_3       
##  Min.   :0.0000   Length:1996        Min.   :0.0000   Min.   :     0  
##  1st Qu.:0.0000   Class :character   1st Qu.:0.0000   1st Qu.:     0  
##  Median :0.0000   Mode  :character   Median :0.0000   Median :     0  
##  Mean   :0.7956                      Mean   :0.8682   Mean   :  2137  
##  3rd Qu.:2.0000                      3rd Qu.:2.0000   3rd Qu.:     0  
##  Max.   :2.0000                      Max.   :3.0000   Max.   :999999  
##                                                                       
##       p8_1             p8_2              p9           p9_5esp         
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Length:1996       
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   Class :character  
##  Median :0.0000   Median :0.0000   Median :0.0000   Mode  :character  
##  Mean   :0.6904   Mean   :0.4749   Mean   :0.4594                     
##  3rd Qu.:2.0000   3rd Qu.:1.0000   3rd Qu.:1.0000                     
##  Max.   :2.0000   Max.   :2.0000   Max.   :5.0000                     
##                                                                       
##       p10              p11           p11_6esp             p12_1       
##  Min.   : 0.000   Min.   :0.0000   Length:1996        Min.   :0.0000  
##  1st Qu.: 0.000   1st Qu.:0.0000   Class :character   1st Qu.:0.0000  
##  Median : 0.000   Median :0.0000   Mode  :character   Median :0.0000  
##  Mean   : 0.756   Mean   :0.7771                      Mean   :0.4254  
##  3rd Qu.: 0.000   3rd Qu.:0.0000                      3rd Qu.:0.0000  
##  Max.   :70.000   Max.   :6.0000                      Max.   :2.0000  
##                                                                       
##      p12_2            p12_3            p12_4            p12_5       
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.4088   Mean   :0.4013   Mean   :0.4018   Mean   :0.4143  
##  3rd Qu.:0.0000   3rd Qu.:0.0000   3rd Qu.:0.0000   3rd Qu.:0.0000  
##  Max.   :2.0000   Max.   :2.0000   Max.   :2.0000   Max.   :2.0000  
##                                                                     
##      p12_6            p12_7            p12_8            p12_9       
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.4008   Mean   :0.3978   Mean   :0.3798   Mean   :0.4409  
##  3rd Qu.:0.0000   3rd Qu.:0.0000   3rd Qu.:0.0000   3rd Qu.:0.0000  
##  Max.   :2.0000   Max.   :2.0000   Max.   :2.0000   Max.   :2.0000  
##                                                                     
##    p12_9esp              p13             p13_3             p14_1       
##  Length:1996        Min.   :0.0000   Min.   :   0.00   Min.   :0.0000  
##  Class :character   1st Qu.:0.0000   1st Qu.:   0.00   1st Qu.:0.0000  
##  Mode  :character   Median :0.0000   Median :   0.00   Median :0.0000  
##                     Mean   :0.4755   Mean   :  12.73   Mean   :0.3988  
##                     3rd Qu.:0.0000   3rd Qu.:   0.00   3rd Qu.:0.0000  
##                     Max.   :3.0000   Max.   :3500.00   Max.   :2.0000  
##                                                                        
##      p14_2            p15           p15_5esp              p16         
##  Min.   :0.000   Min.   :0.0000   Length:1996        Min.   : 0.0000  
##  1st Qu.:0.000   1st Qu.:0.0000   Class :character   1st Qu.: 0.0000  
##  Median :0.000   Median :0.0000   Mode  :character   Median : 0.0000  
##  Mean   :0.256   Mean   :0.2956                      Mean   : 0.5792  
##  3rd Qu.:0.000   3rd Qu.:0.0000                      3rd Qu.: 0.0000  
##  Max.   :2.000   Max.   :5.0000                      Max.   :50.0000  
##                                                                       
##       p17           p17_6esp             p18_1            p18_2       
##  Min.   :0.0000   Length:1996        Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   Class :character   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Mode  :character   Median :0.0000   Median :0.0000  
##  Mean   :0.5842                      Mean   :0.2244   Mean   :0.2355  
##  3rd Qu.:0.0000                      3rd Qu.:0.0000   3rd Qu.:0.0000  
##  Max.   :6.0000                      Max.   :2.0000   Max.   :2.0000  
##                                                                       
##      p18_3           p18_4           p18_5             p19        
##  Min.   :0.000   Min.   :0.000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.000   1st Qu.:0.000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.000   Median :0.000   Median :0.0000   Median :0.0000  
##  Mean   :0.235   Mean   :0.254   Mean   :0.2129   Mean   :0.4228  
##  3rd Qu.:0.000   3rd Qu.:0.000   3rd Qu.:0.0000   3rd Qu.:0.0000  
##  Max.   :2.000   Max.   :2.000   Max.   :2.0000   Max.   :3.0000  
##                                                                   
##      p19_3            p20_1            p20_2             p21        
##  Min.   :     0   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:     0   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :     0   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :  1006   Mean   :0.3307   Mean   :0.2039   Mean   :0.2525  
##  3rd Qu.:     0   3rd Qu.:0.0000   3rd Qu.:0.0000   3rd Qu.:0.0000  
##  Max.   :999999   Max.   :2.0000   Max.   :2.0000   Max.   :5.0000  
##                                                                     
##    p21_5esp              p22             p23_1             p23_2        
##  Length:1996        Min.   :0.0000   Min.   :0.00000   Min.   :0.00000  
##  Class :character   1st Qu.:0.0000   1st Qu.:0.00000   1st Qu.:0.00000  
##  Mode  :character   Median :0.0000   Median :0.00000   Median :0.00000  
##                     Mean   :0.1658   Mean   :0.07415   Mean   :0.08417  
##                     3rd Qu.:0.0000   3rd Qu.:0.00000   3rd Qu.:0.00000  
##                     Max.   :5.0000   Max.   :2.00000   Max.   :2.00000  
##                                                                         
##       p24              p25          p25_6esp              p26        
##  Min.   :0.0000   Min.   :0.000   Length:1996        Min.   :  0.00  
##  1st Qu.:0.0000   1st Qu.:0.000   Class :character   1st Qu.:  0.00  
##  Median :0.0000   Median :0.000   Mode  :character   Median : 20.00  
##  Mean   :0.8091   Mean   :1.053                      Mean   : 27.44  
##  3rd Qu.:1.0000   3rd Qu.:3.000                      3rd Qu.: 30.00  
##  Max.   :5.0000   Max.   :6.000                      Max.   :480.00  
##                                                                      
##       p27             p28           p28_7esp              p29            p30   
##  Min.   :0.000   Min.   :0.0000   Length:1996        Min.   :0.00   Min.   :0  
##  1st Qu.:0.000   1st Qu.:0.0000   Class :character   1st Qu.:0.00   1st Qu.:0  
##  Median :2.000   Median :0.0000   Mode  :character   Median :2.00   Median :3  
##  Mean   :1.195   Mean   :0.6012                      Mean   :1.62   Mean   :2  
##  3rd Qu.:2.000   3rd Qu.:0.0000                      3rd Qu.:3.00   3rd Qu.:3  
##  Max.   :2.000   Max.   :7.0000                      Max.   :4.00   Max.   :4  
##                                                                                
##       p31             p32           p32_6esp             p33_1      
##  Min.   :0.000   Min.   :0.0000   Length:1996        Min.   :0.000  
##  1st Qu.:0.000   1st Qu.:0.0000   Class :character   1st Qu.:2.000  
##  Median :1.000   Median :0.0000   Mode  :character   Median :2.000  
##  Mean   :1.034   Mean   :0.8888                      Mean   :1.804  
##  3rd Qu.:2.000   3rd Qu.:1.0000                      3rd Qu.:2.000  
##  Max.   :2.000   Max.   :6.0000                      Max.   :2.000  
##                                                                     
##      p33_2           p33_3           p33_4           p34_1      
##  Min.   :0.000   Min.   :0.000   Min.   :0.000   Min.   :0.000  
##  1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000   1st Qu.:1.000  
##  Median :2.000   Median :2.000   Median :2.000   Median :2.000  
##  Mean   :1.868   Mean   :1.902   Mean   :1.843   Mean   :1.691  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :2.000   Max.   :2.000   Max.   :2.000   Max.   :3.000  
##                                                                 
##      p34_2           p34_3          p34_3_1           p34_4      
##  Min.   :0.000   Min.   :0.000   Min.   :0.0000   Min.   :0.000  
##  1st Qu.:1.000   1st Qu.:1.000   1st Qu.:0.0000   1st Qu.:1.000  
##  Median :1.000   Median :2.000   Median :0.0000   Median :1.000  
##  Mean   :1.487   Mean   :1.649   Mean   :0.5616   Mean   :1.432  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:1.0000   3rd Qu.:2.000  
##  Max.   :3.000   Max.   :3.000   Max.   :3.0000   Max.   :3.000  
##                                                                  
##     p34_4_1           p35             p36_1           p36_2      
##  Min.   :0.000   Min.   :0.0000   Min.   :0.000   Min.   :0.000  
##  1st Qu.:0.000   1st Qu.:1.0000   1st Qu.:1.000   1st Qu.:1.000  
##  Median :1.000   Median :1.0000   Median :1.000   Median :1.000  
##  Mean   :0.999   Mean   :0.9895   Mean   :1.421   Mean   :1.228  
##  3rd Qu.:1.000   3rd Qu.:1.0000   3rd Qu.:2.000   3rd Qu.:1.000  
##  Max.   :6.000   Max.   :2.0000   Max.   :3.000   Max.   :3.000  
##                                                                  
##      p36_3           p36_4           factor           h_lec      
##  Min.   :0.000   Min.   :0.000   Min.   :  1634   Min.   :0.000  
##  1st Qu.:1.000   1st Qu.:1.000   1st Qu.: 12854   1st Qu.:1.000  
##  Median :1.000   Median :1.000   Median : 18528   Median :1.000  
##  Mean   :1.337   Mean   :1.444   Mean   : 21120   Mean   :2.182  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.: 26649   3rd Qu.:4.000  
##  Max.   :3.000   Max.   :3.000   Max.   :105760   Max.   :4.000  
##                                                                  
##     mat_lec         perslec         l_format         r_format     
##  Min.   :0.000   Min.   :0.000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:2.000   1st Qu.:1.000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :3.000   Median :1.000   Median :0.0000   Median :0.0000  
##  Mean   :2.752   Mean   :1.307   Mean   :0.7495   Mean   :0.4148  
##  3rd Qu.:4.000   3rd Qu.:2.000   3rd Qu.:2.0000   3rd Qu.:0.0000  
##  Max.   :4.000   Max.   :2.000   Max.   :3.0000   Max.   :3.0000  
##                                                                   
##     p_format         perslecl    
##  Min.   :0.0000   Min.   :0.000  
##  1st Qu.:0.0000   1st Qu.:1.000  
##  Median :0.0000   Median :1.000  
##  Mean   :0.3347   Mean   :1.398  
##  3rd Qu.:0.0000   3rd Qu.:2.000  
##  Max.   :3.0000   Max.   :2.000  
## 
## 'data.frame':    1996 obs. of  108 variables:
##  $ folio   : chr  "11B213" "11B213" "11B213" "11B213" ...
##  $ entidad : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ control : int  40003 40003 40003 40003 40007 40007 40007 40007 40034 40034 ...
##  $ viv_sel : int  2 1 4 3 4 3 2 1 4 1 ...
##  $ num_hog : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ hog_mud : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ n_ren_el: int  1 1 1 2 1 2 2 1 2 2 ...
##  $ cd      : int  14 14 14 14 14 14 14 14 14 14 ...
##  $ periodo : int  223 223 223 223 223 223 223 223 223 223 ...
##  $ sexo    : int  1 1 2 2 1 2 2 1 2 2 ...
##  $ edad    : int  29 53 65 44 52 36 74 53 23 57 ...
##  $ nivel   : int  4 3 2 3 6 3 2 3 7 4 ...
##  $ anio    : int  3 3 6 3 3 3 6 3 4 3 ...
##  $ cond_act: int  1 1 7 7 1 1 7 1 1 1 ...
##  $ p1      : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p2      : int  2 2 2 2 2 2 1 2 1 2 ...
##  $ p3_1    : int  2 2 2 2 2 2 1 2 1 2 ...
##  $ p3_2    : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p3_3    : int  2 1 2 2 2 2 2 2 2 2 ...
##  $ p3_4    : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p3_5    : int  2 2 2 2 1 2 2 1 1 2 ...
##  $ p4      : int  0 0 0 0 0 0 2 0 3 0 ...
##  $ p5      : int  0 0 0 0 0 0 4 0 2 0 ...
##  $ p5_6esp : chr  "" "" "" "" ...
##  $ p6_1    : int  0 0 0 0 0 0 2 0 2 0 ...
##  $ p6_2    : int  0 0 0 0 0 0 2 0 1 0 ...
##  $ p6_3    : int  0 0 0 0 0 0 2 0 2 0 ...
##  $ p6_4    : int  0 0 0 0 0 0 1 0 2 0 ...
##  $ p6_5    : int  0 0 0 0 0 0 2 0 2 0 ...
##  $ p6_6    : int  0 0 0 0 0 0 2 0 2 0 ...
##  $ p6_6esp : chr  "" "" "" "" ...
##  $ p7      : int  0 0 0 0 0 0 2 0 2 0 ...
##  $ p7_3    : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p8_1    : int  0 0 0 0 0 0 2 0 2 0 ...
##  $ p8_2    : int  0 0 0 0 0 0 1 0 1 0 ...
##  $ p9      : int  0 0 0 0 0 0 1 0 1 0 ...
##  $ p9_5esp : chr  "" "" "" "" ...
##  $ p10     : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p11     : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p11_6esp: chr  "" "" "" "" ...
##  $ p12_1   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p12_2   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p12_3   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p12_4   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p12_5   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p12_6   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p12_7   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p12_8   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p12_9   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p12_9esp: chr  "" "" "" "" ...
##  $ p13     : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p13_3   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p14_1   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p14_2   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p15     : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p15_5esp: chr  "" "" "" "" ...
##  $ p16     : int  0 1 0 0 0 0 0 0 0 0 ...
##  $ p17     : int  0 4 0 0 0 0 0 0 0 0 ...
##  $ p17_6esp: chr  "" "" "" "" ...
##  $ p18_1   : int  0 1 0 0 0 0 0 0 0 0 ...
##  $ p18_2   : int  0 1 0 0 0 0 0 0 0 0 ...
##  $ p18_3   : int  0 1 0 0 0 0 0 0 0 0 ...
##  $ p18_4   : int  0 1 0 0 0 0 0 0 0 0 ...
##  $ p18_5   : int  0 1 0 0 0 0 0 0 0 0 ...
##  $ p19     : int  0 2 0 0 0 0 0 0 0 0 ...
##  $ p19_3   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p20_1   : int  0 2 0 0 0 0 0 0 0 0 ...
##  $ p20_2   : int  0 1 0 0 0 0 0 0 0 0 ...
##  $ p21     : int  0 4 0 0 0 0 0 0 0 0 ...
##  $ p21_5esp: chr  "" "" "" "" ...
##  $ p22     : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p23_1   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p23_2   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p24     : int  0 0 0 0 2 0 0 5 2 0 ...
##  $ p25     : int  0 0 0 0 1 0 0 4 2 0 ...
##  $ p25_6esp: chr  "" "" "" "" ...
##  $ p26     : int  0 10 0 0 20 0 30 15 30 0 ...
##  $ p27     : int  0 2 0 0 2 0 2 2 2 0 ...
##  $ p28     : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p28_7esp: chr  "" "" "" "" ...
##  $ p29     : int  0 2 0 0 2 0 2 2 2 0 ...
##  $ p30     : int  0 2 0 0 3 0 3 3 3 0 ...
##  $ p31     : int  0 2 0 0 1 0 2 2 1 0 ...
##  $ p32     : int  3 0 1 2 0 3 0 0 0 2 ...
##  $ p32_6esp: chr  "" "" "" "" ...
##  $ p33_1   : int  2 2 2 2 2 2 2 2 1 2 ...
##  $ p33_2   : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p33_3   : int  2 2 2 2 2 2 2 2 1 2 ...
##  $ p33_4   : int  2 2 2 2 2 2 2 2 1 2 ...
##  $ p34_1   : int  2 2 2 2 2 2 2 2 1 2 ...
##  $ p34_2   : int  2 1 2 2 1 2 1 1 1 2 ...
##  $ p34_3   : int  2 2 2 2 1 2 2 1 1 2 ...
##  $ p34_3_1 : int  0 0 0 0 2 0 0 1 2 0 ...
##  $ p34_4   : int  1 1 1 1 1 1 1 1 1 2 ...
##  $ p34_4_1 : int  1 1 1 1 1 1 1 1 1 0 ...
##  $ p35     : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p36_1   : int  1 2 2 1 1 1 2 1 1 1 ...
##  $ p36_2   : int  1 1 2 1 1 1 2 1 1 1 ...
##  $ p36_3   : int  1 2 2 1 1 1 2 1 1 1 ...
##   [list output truncated]
##   [1] "folio"    "entidad"  "control"  "viv_sel"  "num_hog"  "hog_mud" 
##   [7] "n_ren_el" "cd"       "periodo"  "sexo"     "edad"     "nivel"   
##  [13] "anio"     "cond_act" "p1"       "p2"       "p3_1"     "p3_2"    
##  [19] "p3_3"     "p3_4"     "p3_5"     "p4"       "p5"       "p5_6esp" 
##  [25] "p6_1"     "p6_2"     "p6_3"     "p6_4"     "p6_5"     "p6_6"    
##  [31] "p6_6esp"  "p7"       "p7_3"     "p8_1"     "p8_2"     "p9"      
##  [37] "p9_5esp"  "p10"      "p11"      "p11_6esp" "p12_1"    "p12_2"   
##  [43] "p12_3"    "p12_4"    "p12_5"    "p12_6"    "p12_7"    "p12_8"   
##  [49] "p12_9"    "p12_9esp" "p13"      "p13_3"    "p14_1"    "p14_2"   
##  [55] "p15"      "p15_5esp" "p16"      "p17"      "p17_6esp" "p18_1"   
##  [61] "p18_2"    "p18_3"    "p18_4"    "p18_5"    "p19"      "p19_3"   
##  [67] "p20_1"    "p20_2"    "p21"      "p21_5esp" "p22"      "p23_1"   
##  [73] "p23_2"    "p24"      "p25"      "p25_6esp" "p26"      "p27"     
##  [79] "p28"      "p28_7esp" "p29"      "p30"      "p31"      "p32"     
##  [85] "p32_6esp" "p33_1"    "p33_2"    "p33_3"    "p33_4"    "p34_1"   
##  [91] "p34_2"    "p34_3"    "p34_3_1"  "p34_4"    "p34_4_1"  "p35"     
##  [97] "p36_1"    "p36_2"    "p36_3"    "p36_4"    "factor"   "h_lec"   
## [103] "mat_lec"  "perslec"  "l_format" "r_format" "p_format" "perslecl"
##    folio entidad control viv_sel num_hog hog_mud n_ren_el cd periodo sexo edad
## 1 11B213       1   40003       2       1       0        1 14     223    1   29
## 2 11B213       1   40003       1       1       0        1 14     223    1   53
## 3 11B213       1   40003       4       1       0        1 14     223    2   65
## 4 11B213       1   40003       3       1       0        2 14     223    2   44
## 5 12A207       1   40007       4       1       0        1 14     223    1   52
## 6 12A207       1   40007       3       1       0        2 14     223    2   36
##   nivel anio cond_act p1 p2 p3_1 p3_2 p3_3 p3_4 p3_5 p4 p5 p5_6esp p6_1 p6_2
## 1     4    3        1  1  2    2    2    2    2    2  0  0            0    0
## 2     3    3        1  1  2    2    2    1    2    2  0  0            0    0
## 3     2    6        7  1  2    2    2    2    2    2  0  0            0    0
## 4     3    3        7  1  2    2    2    2    2    2  0  0            0    0
## 5     6    3        1  1  2    2    2    2    2    1  0  0            0    0
## 6     3    3        1  1  2    2    2    2    2    2  0  0            0    0
##   p6_3 p6_4 p6_5 p6_6 p6_6esp p7 p7_3 p8_1 p8_2 p9 p9_5esp p10 p11 p11_6esp
## 1    0    0    0    0          0    0    0    0  0           0   0         
## 2    0    0    0    0          0    0    0    0  0           0   0         
## 3    0    0    0    0          0    0    0    0  0           0   0         
## 4    0    0    0    0          0    0    0    0  0           0   0         
## 5    0    0    0    0          0    0    0    0  0           0   0         
## 6    0    0    0    0          0    0    0    0  0           0   0         
##   p12_1 p12_2 p12_3 p12_4 p12_5 p12_6 p12_7 p12_8 p12_9 p12_9esp p13 p13_3
## 1     0     0     0     0     0     0     0     0     0            0     0
## 2     0     0     0     0     0     0     0     0     0            0     0
## 3     0     0     0     0     0     0     0     0     0            0     0
## 4     0     0     0     0     0     0     0     0     0            0     0
## 5     0     0     0     0     0     0     0     0     0            0     0
## 6     0     0     0     0     0     0     0     0     0            0     0
##   p14_1 p14_2 p15 p15_5esp p16 p17 p17_6esp p18_1 p18_2 p18_3 p18_4 p18_5 p19
## 1     0     0   0            0   0              0     0     0     0     0   0
## 2     0     0   0            1   4              1     1     1     1     1   2
## 3     0     0   0            0   0              0     0     0     0     0   0
## 4     0     0   0            0   0              0     0     0     0     0   0
## 5     0     0   0            0   0              0     0     0     0     0   0
## 6     0     0   0            0   0              0     0     0     0     0   0
##   p19_3 p20_1 p20_2 p21 p21_5esp p22 p23_1 p23_2 p24 p25 p25_6esp p26 p27 p28
## 1     0     0     0   0            0     0     0   0   0            0   0   0
## 2     0     2     1   4            0     0     0   0   0           10   2   0
## 3     0     0     0   0            0     0     0   0   0            0   0   0
## 4     0     0     0   0            0     0     0   0   0            0   0   0
## 5     0     0     0   0            0     0     0   2   1           20   2   0
## 6     0     0     0   0            0     0     0   0   0            0   0   0
##   p28_7esp p29 p30 p31 p32 p32_6esp p33_1 p33_2 p33_3 p33_4 p34_1 p34_2 p34_3
## 1            0   0   0   3              2     2     2     2     2     2     2
## 2            2   2   2   0              2     2     2     2     2     1     2
## 3            0   0   0   1              2     2     2     2     2     2     2
## 4            0   0   0   2              2     2     2     2     2     2     2
## 5            2   3   1   0              2     2     2     2     2     1     1
## 6            0   0   0   3              2     2     2     2     2     2     2
##   p34_3_1 p34_4 p34_4_1 p35 p36_1 p36_2 p36_3 p36_4 factor h_lec mat_lec
## 1       0     1       1   1     1     1     1     1   7806     4       4
## 2       0     1       1   1     2     1     2     2   7906     3       3
## 3       0     1       1   1     2     2     2     2   7401     4       4
## 4       0     1       1   1     1     1     1     2  31590     4       4
## 5       2     1       1   1     1     1     1     2  26205     3       3
## 6       0     1       1   1     1     1     1     1  20943     4       4
##   perslec l_format r_format p_format perslecl
## 1       2        0        0        0        2
## 2       1        0        0        2        1
## 3       2        0        0        0        2
## 4       2        0        0        0        2
## 5       1        0        0        0        2
## 6       2        0        0        0        2
##    folio  entidad  control  viv_sel  num_hog  hog_mud n_ren_el       cd 
##        0        0        0        0        0        0        0        0 
##  periodo     sexo     edad    nivel     anio cond_act       p1       p2 
##        0        0        0        0       48        0        0        0 
##     p3_1     p3_2     p3_3     p3_4     p3_5       p4       p5  p5_6esp 
##        0        0        0        0        0        0        0        0 
##     p6_1     p6_2     p6_3     p6_4     p6_5     p6_6  p6_6esp       p7 
##        0        0        0        0        0        0        0        0 
##     p7_3     p8_1     p8_2       p9  p9_5esp      p10      p11 p11_6esp 
##        0        0        0        0        0        0        0        0 
##    p12_1    p12_2    p12_3    p12_4    p12_5    p12_6    p12_7    p12_8 
##        0        0        0        0        0        0        0        0 
##    p12_9 p12_9esp      p13    p13_3    p14_1    p14_2      p15 p15_5esp 
##        0        0        0        0        0        0        0        0 
##      p16      p17 p17_6esp    p18_1    p18_2    p18_3    p18_4    p18_5 
##        0        0        0        0        0        0        0        0 
##      p19    p19_3    p20_1    p20_2      p21 p21_5esp      p22    p23_1 
##        0        0        0        0        0        0        0        0 
##    p23_2      p24      p25 p25_6esp      p26      p27      p28 p28_7esp 
##        0        0        0        0        0        0        0        0 
##      p29      p30      p31      p32 p32_6esp    p33_1    p33_2    p33_3 
##        0        0        0        0        0        0        0        0 
##    p33_4    p34_1    p34_2    p34_3  p34_3_1    p34_4  p34_4_1      p35 
##        0        0        0        0        0        0        0        0 
##    p36_1    p36_2    p36_3    p36_4   factor    h_lec  mat_lec  perslec 
##        0        0        0        0        0        0        0        0 
## l_format r_format p_format perslecl 
##        0        0        0        0
##     folio              entidad         control         viv_sel         num_hog 
##  Length:2016        Min.   : 1.00   Min.   :40001   Min.   :1.000   Min.   :1  
##  Class :character   1st Qu.: 9.00   1st Qu.:40095   1st Qu.:1.750   1st Qu.:1  
##  Mode  :character   Median :15.00   Median :40191   Median :2.000   Median :1  
##                     Mean   :15.58   Mean   :40244   Mean   :2.493   Mean   :1  
##                     3rd Qu.:20.25   3rd Qu.:40315   3rd Qu.:3.000   3rd Qu.:1  
##                     Max.   :32.00   Max.   :41419   Max.   :4.000   Max.   :1  
##                                                                                
##     hog_mud           n_ren_el           cd           periodo   
##  Min.   :0.00000   Min.   :1.000   Min.   : 1.00   Min.   :224  
##  1st Qu.:0.00000   1st Qu.:1.000   1st Qu.: 2.00   1st Qu.:224  
##  Median :0.00000   Median :1.000   Median : 9.00   Median :224  
##  Mean   :0.03472   Mean   :1.673   Mean   :13.74   Mean   :224  
##  3rd Qu.:0.00000   3rd Qu.:2.000   3rd Qu.:25.00   3rd Qu.:224  
##  Max.   :2.00000   Max.   :8.000   Max.   :43.00   Max.   :224  
##                                                                 
##       sexo            edad           nivel            anio      
##  Min.   :1.000   Min.   :18.00   Min.   : 0.00   Min.   :1.000  
##  1st Qu.:1.000   1st Qu.:33.00   1st Qu.: 3.00   1st Qu.:3.000  
##  Median :2.000   Median :46.00   Median : 4.00   Median :3.000  
##  Mean   :1.574   Mean   :46.49   Mean   : 4.66   Mean   :3.456  
##  3rd Qu.:2.000   3rd Qu.:59.00   3rd Qu.: 7.00   3rd Qu.:4.000  
##  Max.   :2.000   Max.   :94.00   Max.   :99.00   Max.   :9.000  
##                                                  NA's   :48     
##     cond_act            p1              p2             p3_1      
##  Min.   : 1.000   Min.   :1.000   Min.   :0.000   Min.   :0.000  
##  1st Qu.: 1.000   1st Qu.:1.000   1st Qu.:1.000   1st Qu.:1.000  
##  Median : 1.000   Median :1.000   Median :1.000   Median :2.000  
##  Mean   : 3.325   Mean   :1.023   Mean   :1.405   Mean   :1.552  
##  3rd Qu.: 7.000   3rd Qu.:1.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :10.000   Max.   :2.000   Max.   :2.000   Max.   :2.000  
##                                                                  
##       p3_2            p3_3            p3_4            p3_5      
##  Min.   :0.000   Min.   :0.000   Min.   :0.000   Min.   :0.000  
##  1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000   1st Qu.:1.000  
##  Median :2.000   Median :2.000   Median :2.000   Median :2.000  
##  Mean   :1.745   Mean   :1.781   Mean   :1.912   Mean   :1.588  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000  
##  Max.   :2.000   Max.   :2.000   Max.   :2.000   Max.   :2.000  
##                                                                 
##        p4               p5          p5_6esp               p6_1       
##  Min.   : 0.000   Min.   :0.000   Length:2016        Min.   :0.0000  
##  1st Qu.: 0.000   1st Qu.:0.000   Class :character   1st Qu.:0.0000  
##  Median : 0.000   Median :0.000   Mode  :character   Median :0.0000  
##  Mean   : 1.275   Mean   :1.348                      Mean   :0.7723  
##  3rd Qu.: 2.000   3rd Qu.:3.000                      3rd Qu.:2.0000  
##  Max.   :70.000   Max.   :6.000                      Max.   :2.0000  
##                                                                      
##       p6_2            p6_3             p6_4             p6_5       
##  Min.   :0.000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.686   Mean   :0.6756   Mean   :0.6458   Mean   :0.7143  
##  3rd Qu.:2.000   3rd Qu.:2.0000   3rd Qu.:1.0000   3rd Qu.:2.0000  
##  Max.   :2.000   Max.   :2.0000   Max.   :2.0000   Max.   :2.0000  
##                                                                    
##       p6_6          p6_6esp                p7              p7_3       
##  Min.   :0.0000   Length:2016        Min.   :0.0000   Min.   :     0  
##  1st Qu.:0.0000   Class :character   1st Qu.:0.0000   1st Qu.:     0  
##  Median :0.0000   Mode  :character   Median :0.0000   Median :     0  
##  Mean   :0.8006                      Mean   :0.8591   Mean   :  3115  
##  3rd Qu.:2.0000                      3rd Qu.:2.0000   3rd Qu.:     0  
##  Max.   :2.0000                      Max.   :3.0000   Max.   :999999  
##                                                                       
##       p8_1             p8_2              p9           p9_5esp         
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Length:2016       
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   Class :character  
##  Median :0.0000   Median :0.0000   Median :0.0000   Mode  :character  
##  Mean   :0.7054   Mean   :0.4772   Mean   :0.4529                     
##  3rd Qu.:2.0000   3rd Qu.:1.0000   3rd Qu.:1.0000                     
##  Max.   :2.0000   Max.   :2.0000   Max.   :5.0000                     
##                                                                       
##       p10               p11           p11_6esp             p12_1       
##  Min.   : 0.0000   Min.   :0.0000   Length:2016        Min.   :0.0000  
##  1st Qu.: 0.0000   1st Qu.:0.0000   Class :character   1st Qu.:0.0000  
##  Median : 0.0000   Median :0.0000   Mode  :character   Median :0.0000  
##  Mean   : 0.6349   Mean   :0.7326                      Mean   :0.3973  
##  3rd Qu.: 0.0000   3rd Qu.:0.0000                      3rd Qu.:0.0000  
##  Max.   :25.0000   Max.   :6.0000                      Max.   :2.0000  
##                                                                        
##      p12_2            p12_3           p12_4           p12_5       
##  Min.   :0.0000   Min.   :0.000   Min.   :0.000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:0.000   1st Qu.:0.000   1st Qu.:0.0000  
##  Median :0.0000   Median :0.000   Median :0.000   Median :0.0000  
##  Mean   :0.3824   Mean   :0.371   Mean   :0.377   Mean   :0.3879  
##  3rd Qu.:0.0000   3rd Qu.:0.000   3rd Qu.:0.000   3rd Qu.:0.0000  
##  Max.   :2.0000   Max.   :2.000   Max.   :2.000   Max.   :2.0000  
##                                                                   
##      p12_6           p12_7           p12_8            p12_9       
##  Min.   :0.000   Min.   :0.000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.000   1st Qu.:0.000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.000   Median :0.000   Median :0.0000   Median :0.0000  
##  Mean   :0.371   Mean   :0.369   Mean   :0.3562   Mean   :0.4172  
##  3rd Qu.:0.000   3rd Qu.:0.000   3rd Qu.:0.0000   3rd Qu.:0.0000  
##  Max.   :2.000   Max.   :2.000   Max.   :2.0000   Max.   :2.0000  
##                                                                   
##    p12_9esp              p13            p13_3              p14_1      
##  Length:2016        Min.   :0.000   Min.   :     0.0   Min.   :0.000  
##  Class :character   1st Qu.:0.000   1st Qu.:     0.0   1st Qu.:0.000  
##  Mode  :character   Median :0.000   Median :     0.0   Median :0.000  
##                     Mean   :0.433   Mean   :   506.5   Mean   :0.372  
##                     3rd Qu.:0.000   3rd Qu.:     0.0   3rd Qu.:0.000  
##                     Max.   :3.000   Max.   :999999.0   Max.   :2.000  
##                                                                       
##      p14_2            p15           p15_5esp              p16         
##  Min.   :0.000   Min.   :0.0000   Length:2016        Min.   : 0.0000  
##  1st Qu.:0.000   1st Qu.:0.0000   Class :character   1st Qu.: 0.0000  
##  Median :0.000   Median :0.0000   Mode  :character   Median : 0.0000  
##  Mean   :0.247   Mean   :0.2688                      Mean   : 0.5749  
##  3rd Qu.:0.000   3rd Qu.:0.0000                      3rd Qu.: 0.0000  
##  Max.   :2.000   Max.   :5.0000                      Max.   :60.0000  
##                                                                       
##       p17           p17_6esp             p18_1            p18_2       
##  Min.   :0.0000   Length:2016        Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   Class :character   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Mode  :character   Median :0.0000   Median :0.0000  
##  Mean   :0.5794                      Mean   :0.2163   Mean   :0.2272  
##  3rd Qu.:0.0000                      3rd Qu.:0.0000   3rd Qu.:0.0000  
##  Max.   :6.0000                      Max.   :2.0000   Max.   :2.0000  
##                                                                       
##      p18_3            p18_4            p18_5             p19        
##  Min.   :0.0000   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :0.0000   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :0.2361   Mean   :0.2594   Mean   :0.2133   Mean   :0.3904  
##  3rd Qu.:0.0000   3rd Qu.:0.0000   3rd Qu.:0.0000   3rd Qu.:0.0000  
##  Max.   :2.0000   Max.   :2.0000   Max.   :2.0000   Max.   :3.0000  
##                                                                     
##      p19_3              p20_1            p20_2             p21        
##  Min.   :     0.0   Min.   :0.0000   Min.   :0.0000   Min.   :0.0000  
##  1st Qu.:     0.0   1st Qu.:0.0000   1st Qu.:0.0000   1st Qu.:0.0000  
##  Median :     0.0   Median :0.0000   Median :0.0000   Median :0.0000  
##  Mean   :   995.8   Mean   :0.3115   Mean   :0.2039   Mean   :0.2411  
##  3rd Qu.:     0.0   3rd Qu.:0.0000   3rd Qu.:0.0000   3rd Qu.:0.0000  
##  Max.   :999999.0   Max.   :2.0000   Max.   :2.0000   Max.   :5.0000  
##                                                                       
##    p21_5esp              p22             p23_1             p23_2      
##  Length:2016        Min.   :0.0000   Min.   :0.00000   Min.   :0.000  
##  Class :character   1st Qu.:0.0000   1st Qu.:0.00000   1st Qu.:0.000  
##  Mode  :character   Median :0.0000   Median :0.00000   Median :0.000  
##                     Mean   :0.1443   Mean   :0.05804   Mean   :0.063  
##                     3rd Qu.:0.0000   3rd Qu.:0.00000   3rd Qu.:0.000  
##                     Max.   :5.0000   Max.   :2.00000   Max.   :2.000  
##                                                                       
##       p24              p25          p25_6esp              p26        
##  Min.   :0.0000   Min.   :0.000   Length:2016        Min.   :  0.00  
##  1st Qu.:0.0000   1st Qu.:0.000   Class :character   1st Qu.:  0.00  
##  Median :0.0000   Median :0.000   Mode  :character   Median : 20.00  
##  Mean   :0.7986   Mean   :1.117                      Mean   : 26.78  
##  3rd Qu.:1.0000   3rd Qu.:3.000                      3rd Qu.: 30.00  
##  Max.   :5.0000   Max.   :6.000                      Max.   :360.00  
##                                                                      
##       p27            p28          p28_7esp              p29      
##  Min.   :0.00   Min.   :0.000   Length:2016        Min.   :0.00  
##  1st Qu.:0.00   1st Qu.:0.000   Class :character   1st Qu.:0.00  
##  Median :2.00   Median :0.000   Mode  :character   Median :2.00  
##  Mean   :1.23   Mean   :0.557                      Mean   :1.68  
##  3rd Qu.:2.00   3rd Qu.:0.000                      3rd Qu.:3.00  
##  Max.   :2.00   Max.   :7.000                      Max.   :4.00  
##                                                                  
##       p30             p31             p32           p32_6esp        
##  Min.   :0.000   Min.   :0.000   Min.   :0.0000   Length:2016       
##  1st Qu.:0.000   1st Qu.:0.000   1st Qu.:0.0000   Class :character  
##  Median :3.000   Median :1.000   Median :0.0000   Mode  :character  
##  Mean   :1.995   Mean   :1.056   Mean   :0.8175                     
##  3rd Qu.:3.000   3rd Qu.:2.000   3rd Qu.:1.0000                     
##  Max.   :4.000   Max.   :2.000   Max.   :6.0000                     
##                                                                     
##      p33_1           p33_2           p33_3           p33_4           p34_1     
##  Min.   :0.000   Min.   :0.000   Min.   :0.000   Min.   :0.000   Min.   :0.00  
##  1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000   1st Qu.:2.000   1st Qu.:1.00  
##  Median :2.000   Median :2.000   Median :2.000   Median :2.000   Median :2.00  
##  Mean   :1.787   Mean   :1.868   Mean   :1.887   Mean   :1.824   Mean   :1.67  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:2.00  
##  Max.   :2.000   Max.   :2.000   Max.   :2.000   Max.   :2.000   Max.   :3.00  
##                                                                                
##      p34_2           p34_3         p34_3_1           p34_4      
##  Min.   :0.000   Min.   :0.00   Min.   :0.0000   Min.   :0.000  
##  1st Qu.:1.000   1st Qu.:1.00   1st Qu.:0.0000   1st Qu.:1.000  
##  Median :1.000   Median :2.00   Median :0.0000   Median :1.000  
##  Mean   :1.477   Mean   :1.64   Mean   :0.5437   Mean   :1.427  
##  3rd Qu.:2.000   3rd Qu.:2.00   3rd Qu.:1.0000   3rd Qu.:2.000  
##  Max.   :3.000   Max.   :3.00   Max.   :3.0000   Max.   :3.000  
##                                                                 
##     p34_4_1           p35             p36_1           p36_2      
##  Min.   :0.000   Min.   :0.0000   Min.   :0.000   Min.   :0.000  
##  1st Qu.:0.000   1st Qu.:1.0000   1st Qu.:1.000   1st Qu.:1.000  
##  Median :1.000   Median :1.0000   Median :1.000   Median :1.000  
##  Mean   :0.998   Mean   :0.9871   Mean   :1.357   Mean   :1.188  
##  3rd Qu.:1.000   3rd Qu.:1.0000   3rd Qu.:2.000   3rd Qu.:1.000  
##  Max.   :6.000   Max.   :2.0000   Max.   :3.000   Max.   :3.000  
##                                                                  
##      p36_3           p36_4           factor           h_lec      
##  Min.   :0.000   Min.   :0.000   Min.   :  3576   Min.   :0.000  
##  1st Qu.:1.000   1st Qu.:1.000   1st Qu.: 12994   1st Qu.:1.000  
##  Median :1.000   Median :1.000   Median : 18445   Median :1.000  
##  Mean   :1.293   Mean   :1.397   Mean   : 21196   Mean   :2.141  
##  3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.: 26839   3rd Qu.:4.000  
##  Max.   :3.000   Max.   :3.000   Max.   :124941   Max.   :4.000  
##                                                                  
##     mat_lec         perslec         l_format        r_format     
##  Min.   :0.000   Min.   :0.000   Min.   :0.000   Min.   :0.0000  
##  1st Qu.:2.000   1st Qu.:1.000   1st Qu.:0.000   1st Qu.:0.0000  
##  Median :3.000   Median :1.000   Median :0.000   Median :0.0000  
##  Mean   :2.714   Mean   :1.284   Mean   :0.748   Mean   :0.3869  
##  3rd Qu.:4.000   3rd Qu.:2.000   3rd Qu.:2.000   3rd Qu.:0.0000  
##  Max.   :4.000   Max.   :2.000   Max.   :3.000   Max.   :3.0000  
##                                                                  
##     p_format         perslecl    
##  Min.   :0.0000   Min.   :0.000  
##  1st Qu.:0.0000   1st Qu.:1.000  
##  Median :0.0000   Median :1.000  
##  Mean   :0.3165   Mean   :1.376  
##  3rd Qu.:0.0000   3rd Qu.:2.000  
##  Max.   :3.0000   Max.   :2.000  
## 
## 'data.frame':    2016 obs. of  108 variables:
##  $ folio   : chr  "12B221" "12B221" "12B221" "12B221" ...
##  $ entidad : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ control : int  40002 40002 40002 40002 40003 40003 40003 40003 40028 40028 ...
##  $ viv_sel : int  2 1 3 4 1 2 4 3 2 3 ...
##  $ num_hog : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ hog_mud : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ n_ren_el: int  1 1 1 2 1 1 1 2 1 1 ...
##  $ cd      : int  14 14 14 14 14 14 14 14 14 14 ...
##  $ periodo : int  224 224 224 224 224 224 224 224 224 224 ...
##  $ sexo    : int  1 1 1 1 1 1 2 2 1 2 ...
##  $ edad    : int  52 55 59 30 54 30 66 45 26 41 ...
##  $ nivel   : int  3 3 3 4 3 4 2 3 4 4 ...
##  $ anio    : int  3 3 3 3 3 3 6 3 3 3 ...
##  $ cond_act: int  9 1 1 1 1 1 7 7 1 1 ...
##  $ p1      : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p2      : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p3_1    : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p3_2    : int  2 2 2 2 2 2 2 2 1 2 ...
##  $ p3_3    : int  2 2 2 2 1 2 2 2 1 2 ...
##  $ p3_4    : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p3_5    : int  2 2 2 2 2 1 2 2 1 1 ...
##  $ p4      : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p5      : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p5_6esp : chr  "" "" "" "" ...
##  $ p6_1    : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p6_2    : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p6_3    : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p6_4    : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p6_5    : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p6_6    : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p6_6esp : chr  "" "" "" "" ...
##  $ p7      : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p7_3    : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p8_1    : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p8_2    : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p9      : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p9_5esp : chr  "" "" "" "" ...
##  $ p10     : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p11     : int  0 0 0 0 0 0 0 0 4 0 ...
##  $ p11_6esp: chr  "" "" "" "" ...
##  $ p12_1   : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p12_2   : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p12_3   : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p12_4   : int  0 0 0 0 0 0 0 0 1 0 ...
##  $ p12_5   : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p12_6   : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p12_7   : int  0 0 0 0 0 0 0 0 1 0 ...
##  $ p12_8   : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p12_9   : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p12_9esp: chr  "" "" "" "" ...
##  $ p13     : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p13_3   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p14_1   : int  0 0 0 0 0 0 0 0 1 0 ...
##  $ p14_2   : int  0 0 0 0 0 0 0 0 2 0 ...
##  $ p15     : int  0 0 0 0 0 0 0 0 1 0 ...
##  $ p15_5esp: chr  "" "" "" "" ...
##  $ p16     : int  0 0 0 0 1 0 0 0 1 0 ...
##  $ p17     : int  0 0 0 0 4 0 0 0 4 0 ...
##  $ p17_6esp: chr  "" "" "" "" ...
##  $ p18_1   : int  0 0 0 0 1 0 0 0 1 0 ...
##  $ p18_2   : int  0 0 0 0 1 0 0 0 2 0 ...
##  $ p18_3   : int  0 0 0 0 1 0 0 0 1 0 ...
##  $ p18_4   : int  0 0 0 0 1 0 0 0 1 0 ...
##  $ p18_5   : int  0 0 0 0 1 0 0 0 1 0 ...
##  $ p19     : int  0 0 0 0 2 0 0 0 2 0 ...
##  $ p19_3   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p20_1   : int  0 0 0 0 1 0 0 0 1 0 ...
##  $ p20_2   : int  0 0 0 0 2 0 0 0 2 0 ...
##  $ p21     : int  0 0 0 0 1 0 0 0 2 0 ...
##  $ p21_5esp: chr  "" "" "" "" ...
##  $ p22     : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p23_1   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p23_2   : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p24     : int  0 0 0 0 0 5 0 0 5 5 ...
##  $ p25     : int  0 0 0 0 0 4 0 0 1 4 ...
##  $ p25_6esp: chr  "" "" "" "" ...
##  $ p26     : int  0 0 0 0 20 15 0 0 20 10 ...
##  $ p27     : int  0 0 0 0 2 2 0 0 2 2 ...
##  $ p28     : int  0 0 0 0 0 0 0 0 0 0 ...
##  $ p28_7esp: chr  "" "" "" "" ...
##  $ p29     : int  0 0 0 0 2 2 0 0 2 2 ...
##  $ p30     : int  0 0 0 0 3 3 0 0 3 3 ...
##  $ p31     : int  0 0 0 0 2 2 0 0 2 2 ...
##  $ p32     : int  5 2 3 4 0 0 2 3 0 0 ...
##  $ p32_6esp: chr  "" "" "" "" ...
##  $ p33_1   : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p33_2   : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p33_3   : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p33_4   : int  2 2 2 2 2 2 2 2 2 2 ...
##  $ p34_1   : int  2 2 2 2 2 1 2 2 1 1 ...
##  $ p34_2   : int  1 2 1 2 2 1 1 2 1 1 ...
##  $ p34_3   : int  2 2 2 2 2 1 2 2 1 1 ...
##  $ p34_3_1 : int  0 0 0 0 0 1 0 0 2 1 ...
##  $ p34_4   : int  1 2 1 1 1 1 1 1 1 1 ...
##  $ p34_4_1 : int  1 0 1 1 1 1 1 1 1 1 ...
##  $ p35     : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p36_1   : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p36_2   : int  1 1 1 1 1 1 1 1 1 1 ...
##  $ p36_3   : int  1 1 1 1 1 1 1 1 1 1 ...
##   [list output truncated]
##   [1] "folio"    "entidad"  "control"  "viv_sel"  "num_hog"  "hog_mud" 
##   [7] "n_ren_el" "cd"       "periodo"  "sexo"     "edad"     "nivel"   
##  [13] "anio"     "cond_act" "p1"       "p2"       "p3_1"     "p3_2"    
##  [19] "p3_3"     "p3_4"     "p3_5"     "p4"       "p5"       "p5_6esp" 
##  [25] "p6_1"     "p6_2"     "p6_3"     "p6_4"     "p6_5"     "p6_6"    
##  [31] "p6_6esp"  "p7"       "p7_3"     "p8_1"     "p8_2"     "p9"      
##  [37] "p9_5esp"  "p10"      "p11"      "p11_6esp" "p12_1"    "p12_2"   
##  [43] "p12_3"    "p12_4"    "p12_5"    "p12_6"    "p12_7"    "p12_8"   
##  [49] "p12_9"    "p12_9esp" "p13"      "p13_3"    "p14_1"    "p14_2"   
##  [55] "p15"      "p15_5esp" "p16"      "p17"      "p17_6esp" "p18_1"   
##  [61] "p18_2"    "p18_3"    "p18_4"    "p18_5"    "p19"      "p19_3"   
##  [67] "p20_1"    "p20_2"    "p21"      "p21_5esp" "p22"      "p23_1"   
##  [73] "p23_2"    "p24"      "p25"      "p25_6esp" "p26"      "p27"     
##  [79] "p28"      "p28_7esp" "p29"      "p30"      "p31"      "p32"     
##  [85] "p32_6esp" "p33_1"    "p33_2"    "p33_3"    "p33_4"    "p34_1"   
##  [91] "p34_2"    "p34_3"    "p34_3_1"  "p34_4"    "p34_4_1"  "p35"     
##  [97] "p36_1"    "p36_2"    "p36_3"    "p36_4"    "factor"   "h_lec"   
## [103] "mat_lec"  "perslec"  "l_format" "r_format" "p_format" "perslecl"
##    folio entidad control viv_sel num_hog hog_mud n_ren_el cd periodo sexo edad
## 1 12B221       1   40002       2       1       0        1 14     224    1   52
## 2 12B221       1   40002       1       1       0        1 14     224    1   55
## 3 12B221       1   40002       3       1       0        1 14     224    1   59
## 4 12B221       1   40002       4       1       0        2 14     224    1   30
## 5 11B213       1   40003       1       1       0        1 14     224    1   54
## 6 11B213       1   40003       2       1       0        1 14     224    1   30
##   nivel anio cond_act p1 p2 p3_1 p3_2 p3_3 p3_4 p3_5 p4 p5 p5_6esp p6_1 p6_2
## 1     3    3        9  1  2    2    2    2    2    2  0  0            0    0
## 2     3    3        1  1  2    2    2    2    2    2  0  0            0    0
## 3     3    3        1  1  2    2    2    2    2    2  0  0            0    0
## 4     4    3        1  1  2    2    2    2    2    2  0  0            0    0
## 5     3    3        1  1  2    2    2    1    2    2  0  0            0    0
## 6     4    3        1  1  2    2    2    2    2    1  0  0            0    0
##   p6_3 p6_4 p6_5 p6_6 p6_6esp p7 p7_3 p8_1 p8_2 p9 p9_5esp p10 p11 p11_6esp
## 1    0    0    0    0          0    0    0    0  0           0   0         
## 2    0    0    0    0          0    0    0    0  0           0   0         
## 3    0    0    0    0          0    0    0    0  0           0   0         
## 4    0    0    0    0          0    0    0    0  0           0   0         
## 5    0    0    0    0          0    0    0    0  0           0   0         
## 6    0    0    0    0          0    0    0    0  0           0   0         
##   p12_1 p12_2 p12_3 p12_4 p12_5 p12_6 p12_7 p12_8 p12_9 p12_9esp p13 p13_3
## 1     0     0     0     0     0     0     0     0     0            0     0
## 2     0     0     0     0     0     0     0     0     0            0     0
## 3     0     0     0     0     0     0     0     0     0            0     0
## 4     0     0     0     0     0     0     0     0     0            0     0
## 5     0     0     0     0     0     0     0     0     0            0     0
## 6     0     0     0     0     0     0     0     0     0            0     0
##   p14_1 p14_2 p15 p15_5esp p16 p17 p17_6esp p18_1 p18_2 p18_3 p18_4 p18_5 p19
## 1     0     0   0            0   0              0     0     0     0     0   0
## 2     0     0   0            0   0              0     0     0     0     0   0
## 3     0     0   0            0   0              0     0     0     0     0   0
## 4     0     0   0            0   0              0     0     0     0     0   0
## 5     0     0   0            1   4              1     1     1     1     1   2
## 6     0     0   0            0   0              0     0     0     0     0   0
##   p19_3 p20_1 p20_2 p21 p21_5esp p22 p23_1 p23_2 p24 p25 p25_6esp p26 p27 p28
## 1     0     0     0   0            0     0     0   0   0            0   0   0
## 2     0     0     0   0            0     0     0   0   0            0   0   0
## 3     0     0     0   0            0     0     0   0   0            0   0   0
## 4     0     0     0   0            0     0     0   0   0            0   0   0
## 5     0     1     2   1            0     0     0   0   0           20   2   0
## 6     0     0     0   0            0     0     0   5   4           15   2   0
##   p28_7esp p29 p30 p31 p32 p32_6esp p33_1 p33_2 p33_3 p33_4 p34_1 p34_2 p34_3
## 1            0   0   0   5              2     2     2     2     2     1     2
## 2            0   0   0   2              2     2     2     2     2     2     2
## 3            0   0   0   3              2     2     2     2     2     1     2
## 4            0   0   0   4              2     2     2     2     2     2     2
## 5            2   3   2   0              2     2     2     2     2     2     2
## 6            2   3   2   0              2     2     2     2     1     1     1
##   p34_3_1 p34_4 p34_4_1 p35 p36_1 p36_2 p36_3 p36_4 factor h_lec mat_lec
## 1       0     1       1   1     1     1     1     2  36731     4       4
## 2       0     2       0   1     1     1     1     2   9183     4       4
## 3       0     1       1   1     1     1     1     2  36731     4       4
## 4       0     1       1   1     1     1     1     1  18365     4       4
## 5       0     1       1   1     1     1     1     2   7488     3       3
## 6       1     1       1   1     1     1     1     1   7488     3       3
##   perslec l_format r_format p_format perslecl
## 1       2        0        0        0        2
## 2       2        0        0        0        2
## 3       2        0        0        0        2
## 4       2        0        0        0        2
## 5       1        0        0        1        1
## 6       1        0        0        0        2
##    folio  entidad  control  viv_sel  num_hog  hog_mud n_ren_el       cd 
##        0        0        0        0        0        0        0        0 
##  periodo     sexo     edad    nivel     anio cond_act       p1       p2 
##        0        0        0        0       48        0        0        0 
##     p3_1     p3_2     p3_3     p3_4     p3_5       p4       p5  p5_6esp 
##        0        0        0        0        0        0        0        0 
##     p6_1     p6_2     p6_3     p6_4     p6_5     p6_6  p6_6esp       p7 
##        0        0        0        0        0        0        0        0 
##     p7_3     p8_1     p8_2       p9  p9_5esp      p10      p11 p11_6esp 
##        0        0        0        0        0        0        0        0 
##    p12_1    p12_2    p12_3    p12_4    p12_5    p12_6    p12_7    p12_8 
##        0        0        0        0        0        0        0        0 
##    p12_9 p12_9esp      p13    p13_3    p14_1    p14_2      p15 p15_5esp 
##        0        0        0        0        0        0        0        0 
##      p16      p17 p17_6esp    p18_1    p18_2    p18_3    p18_4    p18_5 
##        0        0        0        0        0        0        0        0 
##      p19    p19_3    p20_1    p20_2      p21 p21_5esp      p22    p23_1 
##        0        0        0        0        0        0        0        0 
##    p23_2      p24      p25 p25_6esp      p26      p27      p28 p28_7esp 
##        0        0        0        0        0        0        0        0 
##      p29      p30      p31      p32 p32_6esp    p33_1    p33_2    p33_3 
##        0        0        0        0        0        0        0        0 
##    p33_4    p34_1    p34_2    p34_3  p34_3_1    p34_4  p34_4_1      p35 
##        0        0        0        0        0        0        0        0 
##    p36_1    p36_2    p36_3    p36_4   factor    h_lec  mat_lec  perslec 
##        0        0        0        0        0        0        0        0 
## l_format r_format p_format perslecl 
##        0        0        0        0