Name: Shreyas Jadhav

Email: essjeyy0412@gmail.com

College:Dwarkadas J.Sanghvi College of Engineering

Part 1:

Problem Statement, Reading and Preliminary Analysis

The Problem Statement

Given various features, the aim is to build a predictive model to determine the income level for people in US. The income levels are binned at below 50K and above 50K. Let’s think of some hypothesis which can influence the outcome. Here is a set of hypothesis to get us started:

Hò : There is no significant impact of the variables (below) on the dependent variable.

Ha : There exists a significant impact of the variables (below) on the dependent variable.

Age

Marital Status

Income

Family Members

No. of Dependents

Tax Paid

Investment (Mutual Fund, Stock)

Return from Investments

Education

Spouse Education

Nationality

Occupation

Region in US

Race

Occupation category

Reading the data set and visualizing the length and breadth of dataset.

setwd("C:/Users/Shreyas Jadhav/Downloads")  
usincome <- read.csv(paste("project.csv",sep="."))
View(usincome)
attach(usincome)
dim(usincome)
## [1] 10000    41
usincome$income_level[usincome$income_level == -50000] <- 'Below 50k'
usincome$income_level[usincome$income_level == 50000] <- 'Above 50k'

Descriptive statsistics

summary(usincome)
##       age                              class_of_worker industry_code  
##  Min.   : 0.00   Not in universe               :4881   Min.   : 0.00  
##  1st Qu.:15.00   Private                       :3731   1st Qu.: 0.00  
##  Median :33.00   Self-employed-not incorporated: 409   Median : 2.00  
##  Mean   :34.46   Local government              : 407   Mean   :15.82  
##  3rd Qu.:49.00   State government              : 245   3rd Qu.:33.00  
##  Max.   :90.00   Federal government            : 153   Max.   :51.00  
##                  (Other)                       : 174                  
##  occupation_code                      education    wage_per_hour    
##  Min.   : 0.00   High school graduate      :2454   Min.   :   0.00  
##  1st Qu.: 0.00   Children                  :2338   1st Qu.:   0.00  
##  Median : 2.00   Some college but no degree:1418   Median :   0.00  
##  Mean   :11.65   Bachelors degree(BA AB BS): 973   Mean   :  61.24  
##  3rd Qu.:26.00   7th and 8th grade         : 456   3rd Qu.:   0.00  
##  Max.   :46.00   10th grade                : 384   Max.   :9000.00  
##                  (Other)                   :1977                    
##         enrolled_in_edu_inst_lastwk                         marital_status
##  College or university: 286         Divorced                       : 653  
##  High school          : 358         Married-A F spouse present     :  28  
##  Not in universe      :9356         Married-civilian spouse present:4274  
##                                     Married-spouse absent          :  80  
##                                     Never married                  :4307  
##                                     Separated                      : 148  
##                                     Widowed                        : 510  
##                         major_industry_code
##  Not in universe or children      :4898    
##  Retail trade                     : 891    
##  Education                        : 451    
##  Manufacturing-durable goods      : 451    
##  Manufacturing-nondurable goods   : 385    
##  Finance insurance and real estate: 331    
##  (Other)                          :2593    
##                     major_occupation_code
##  Not in universe               :4898     
##  Adm support including clerical: 784     
##  Professional specialty        : 700     
##  Executive admin and managerial: 638     
##  Other service                 : 628     
##  Sales                         : 627     
##  (Other)                       :1725     
##                           race                       hispanic_origin
##  Amer Indian Aleut or Eskimo: 118   All other                :8672  
##  Asian or Pacific Islander  : 309   Mexican-American         : 401  
##  Black                      :1027   Mexican (Mexicano)       : 362  
##  Other                      : 183   Central or South American: 195  
##  White                      :8363   Puerto Rican             : 144  
##                                     (Other)                  : 195  
##                                     NA's                     :  31  
##      sex           member_of_labor_union          reason_for_unemployment
##  Female:5312   No             : 857      Job leaver           :  30      
##  Male  :4688   Not in universe:8996      Job loser - on layoff:  42      
##                Yes            : 147      New entrant          :  17      
##                                          Not in universe      :9728      
##                                          Other job loser      :  97      
##                                          Re-entrant           :  86      
##                                                                          
##                     full_parttime_employment_stat capital_gains    
##  Children or Armed Forces          :6156          Min.   :    0.0  
##  Full-time schedules               :2097          1st Qu.:    0.0  
##  Not in labor force                :1314          Median :    0.0  
##  PT for non-econ reasons usually FT: 184          Mean   :  395.4  
##  Unemployed full-time              : 119          3rd Qu.:    0.0  
##  PT for econ reasons usually PT    :  72          Max.   :99999.0  
##  (Other)                           :  58                           
##  capital_losses    dividend_from_Stocks
##  Min.   :   0.00   Min.   :    0.0     
##  1st Qu.:   0.00   1st Qu.:    0.0     
##  Median :   0.00   Median :    0.0     
##  Mean   :  39.81   Mean   :  164.5     
##  3rd Qu.:   0.00   3rd Qu.:    0.0     
##  Max.   :4608.00   Max.   :99999.0     
##                                        
##                      tax_filer_status  region_of_previous_residence
##  Head of household           : 388    Abroad         :  23         
##  Joint both 65+              : 397    Midwest        : 200         
##  Joint both under 65         :3478    Northeast      : 147         
##  Joint one under 65 & one 65+: 173    Not in universe:9218         
##  Nonfiler                    :3676    South          : 225         
##  Single                      :1888    West           : 187         
##                                                                    
##   state_of_previous_residence
##  Not in universe:9218        
##  California     :  68        
##  Utah           :  62        
##  North Carolina :  46        
##  Minnesota      :  36        
##  (Other)        : 524        
##  NA's           :  46        
##                             d_household_family_stat
##  Householder                            :2689      
##  Child <18 never marr not in subfamily  :2511      
##  Spouse of householder                  :2107      
##  Nonfamily householder                  :1104      
##  Child 18+ never marr Not in a subfamily: 575      
##  Secondary individual                   : 317      
##  (Other)                                : 697      
##                     d_household_summary          migration_msa 
##  Householder                  :3795     Nonmover        :4088  
##  Child under 18 never married :2518     MSA to MSA      : 534  
##  Spouse of householder        :2107     NonMSA to nonMSA: 143  
##  Child 18 or older            : 708     Not in universe :  87  
##  Other relative of householder: 472     MSA to nonMSA   :  39  
##  Nonrelative of householder   : 393     (Other)         :  66  
##  (Other)                      :   7     NA's            :5043  
##                      migration_reg                   migration_within_reg
##  Nonmover                   :4088   Nonmover                   :4088     
##  Same county                : 506   Same county                : 506     
##  Different county same state: 133   Different county same state: 133     
##  Not in universe            :  87   Not in universe            :  87     
##  Different region           :  61   Different state in South   :  45     
##  (Other)                    :  82   (Other)                    :  98     
##  NA's                       :5043   NA's                       :5043     
##                          live_1_year_ago       migration_sunbelt
##  No                              : 782   No             : 519   
##  Not in universe under 1 year old:5130   Not in universe:4175   
##  Yes                             :4088   Yes            : 263   
##                                          NA's           :5043   
##                                                                 
##                                                                 
##                                                                 
##  num_person_Worked_employer           family_members_under_18
##  Min.   :0.000              Both parents present  :1921      
##  1st Qu.:0.000              Father only present   :  82      
##  Median :1.000              Mother only present   : 676      
##  Mean   :2.027              Neither parent present:  83      
##  3rd Qu.:4.000              Not in universe       :7238      
##  Max.   :6.000                                               
##                                                              
##        country_father       country_mother        country_self 
##  United-States:8011   United-States:8065   United-States:8873  
##  Mexico       : 484   Mexico       : 488   Mexico       : 278  
##  Puerto-Rico  : 122   Puerto-Rico  : 117   Puerto-Rico  :  62  
##  Italy        : 103   Italy        :  87   Germany      :  51  
##  Germany      :  77   Germany      :  74   Cuba         :  46  
##  (Other)      : 904   (Other)      : 886   (Other)      : 537  
##  NA's         : 299   NA's         : 283   NA's         : 153  
##                                       citizenship  
##  Foreign born- Not a citizen of U S         : 675  
##  Foreign born- U S citizen by naturalization: 298  
##  Native- Born abroad of American Parent(s)  :  88  
##  Native- Born in Puerto Rico or U S Outlying:  66  
##  Native- Born in the United States          :8873  
##                                                    
##                                                    
##  business_or_self_employed fill_questionnaire_veteran_admin
##  Min.   :0.0000            No             :  84            
##  1st Qu.:0.0000            Not in universe:9895            
##  Median :0.0000            Yes            :  21            
##  Mean   :0.1724                                            
##  3rd Qu.:0.0000                                            
##  Max.   :2.0000                                            
##                                                            
##  veterans_benefits weeks_worked_in_year      year      income_level      
##  Min.   :0.000     Min.   : 0.00        Min.   :94.0   Length:10000      
##  1st Qu.:2.000     1st Qu.: 0.00        1st Qu.:94.0   Class :character  
##  Median :2.000     Median :12.00        Median :95.0   Mode  :character  
##  Mean   :1.522     Mean   :23.78        Mean   :94.5                     
##  3rd Qu.:2.000     3rd Qu.:52.00        3rd Qu.:95.0                     
##  Max.   :2.000     Max.   :52.00        Max.   :95.0                     
## 
library(psych)
describe(usincome)[,0:9]
## Warning in describe(usincome): NAs introduced by coercion
## Warning in FUN(newX[, i], ...): no non-missing arguments to min; returning
## Inf
## Warning in FUN(newX[, i], ...): no non-missing arguments to max; returning
## -Inf
##                                   vars     n   mean      sd median trimmed
## age                                  1 10000  34.46   22.07     33   33.27
## class_of_worker*                     2 10000   4.50    1.13      4    4.44
## industry_code                        3 10000  15.82   18.11      2   14.16
## occupation_code                      4 10000  11.65   14.52      2    9.70
## education*                           5 10000  11.09    4.11     11   11.45
## wage_per_hour                        6 10000  61.25  299.35      0    0.00
## enrolled_in_edu_inst_lastwk*         7 10000   2.91    0.38      3    3.00
## marital_status*                      8 10000   3.98    1.41      4    4.00
## major_industry_code*                 9 10000  13.99    4.83     15   14.30
## major_occupation_code*              10 10000   7.30    3.16      7    7.25
## race*                               11 10000   4.64    0.87      5    4.86
## hispanic_origin*                    12  9969   1.66    1.85      1    1.07
## sex*                                13 10000   1.47    0.50      1    1.46
## member_of_labor_union*              14 10000   1.93    0.31      2    2.00
## reason_for_unemployment*            15 10000   4.01    0.30      4    4.00
## full_parttime_employment_stat*      16 10000   1.70    1.20      1    1.45
## capital_gains                       17 10000 395.41 4271.33      0    0.00
## capital_losses                      18 10000  39.81  281.44      0    0.00
## dividend_from_Stocks                19 10000 164.53 1860.00      0    0.04
## tax_filer_status*                   20 10000   4.20    1.39      5    4.27
## region_of_previous_residence*       21 10000   4.00    0.46      4    4.00
## state_of_previous_residence*        22  9954  35.15    5.04     36   36.00
## d_household_family_stat*            23 10000  13.90    9.15     14   13.75
## d_household_summary*                24 10000   4.98    2.07      5    5.02
## migration_msa*                      25  4957   4.90    0.97      5    4.96
## migration_reg*                      26  4957   6.05    1.03      6    6.03
## migration_within_reg*               27  4957   7.00    1.19      7    7.03
## live_1_year_ago*                    28 10000   2.33    0.61      2    2.39
## migration_sunbelt*                  29  4957   1.95    0.39      2    1.99
## num_person_Worked_employer          30 10000   2.03    2.39      1    1.78
## family_members_under_18*            31 10000   4.06    1.60      5    4.33
## country_father*                     32  9701  36.67    8.55     40   39.09
## country_mother*                     33  9717  36.79    8.34     40   39.15
## country_self*                       34  9847  38.12    6.65     40   40.00
## citizenship*                        35 10000   4.62    1.11      5    4.98
## business_or_self_employed           36 10000   0.17    0.55      0    0.00
## fill_questionnaire_veteran_admin*   37 10000   1.99    0.10      2    2.00
## veterans_benefits                   38 10000   1.52    0.85      2    1.65
## weeks_worked_in_year                39 10000  23.78   24.39     12   23.22
## year                                40 10000  94.50    0.50     95   94.51
## income_level*                       41 10000    NaN      NA     NA     NaN
##                                     mad min   max
## age                               25.20   0    90
## class_of_worker*                   1.48   1     9
## industry_code                      2.97   0    51
## occupation_code                    2.97   0    46
## education*                         2.97   1    17
## wage_per_hour                      0.00   0  9000
## enrolled_in_edu_inst_lastwk*       0.00   1     3
## marital_status*                    1.48   1     7
## major_industry_code*               1.48   1    24
## major_occupation_code*             1.48   1    15
## race*                              0.00   1     5
## hispanic_origin*                   0.00   1     9
## sex*                               0.00   1     2
## member_of_labor_union*             0.00   1     3
## reason_for_unemployment*           0.00   1     6
## full_parttime_employment_stat*     0.00   1     8
## capital_gains                      0.00   0 99999
## capital_losses                     0.00   0  4608
## dividend_from_Stocks               0.00   0 99999
## tax_filer_status*                  1.48   1     6
## region_of_previous_residence*      0.00   1     6
## state_of_previous_residence*       0.00   1    50
## d_household_family_stat*          14.83   1    27
## d_household_summary*               2.97   1     8
## migration_msa*                     0.00   1     9
## migration_reg*                     0.00   1     8
## migration_within_reg*              0.00   1     9
## live_1_year_ago*                   0.00   1     3
## migration_sunbelt*                 0.00   1     3
## num_person_Worked_employer         1.48   0     6
## family_members_under_18*           0.00   1     5
## country_father*                    0.00   1    42
## country_mother*                    0.00   1    42
## country_self*                      0.00   1    42
## citizenship*                       0.00   1     5
## business_or_self_employed          0.00   0     2
## fill_questionnaire_veteran_admin*  0.00   1     3
## veterans_benefits                  0.00   0     2
## weeks_worked_in_year              17.79   0    52
## year                               0.00  94    95
## income_level*                        NA Inf  -Inf

One-way contingency tables for the categorical variables.

table(age)
## age
##   0   1   2   3   4   5   6   7   8   9  10  11  12  13  14  15  16  17 
## 147 161 149 160 150 149 146 144 146 171 184 170 166 138 157 176 160 125 
##  18  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35 
## 110 139 126 102 121 120 152 146 132 144 145 160 155 161 149 181 161 168 
##  36  37  38  39  40  41  42  43  44  45  46  47  48  49  50  51  52  53 
## 169 191 170 154 153 176 159 155 143 153 158 146 111 105 114 108 117 105 
##  54  55  56  57  58  59  60  61  62  63  64  65  66  67  68  69  70  71 
##  88  91  75  94  70  75  71  83  85  93  77  76  70  81  51  56  56  60 
##  72  73  74  75  76  77  78  79  80  81  82  83  84  85  86  87  88  89 
##  50  70  66  48  47  41  59  40  42  28  35  27  27  21  19  16  12   9 
##  90 
##  33
table(age!=0)
## 
## FALSE  TRUE 
##   147  9853
prop.table(table(age!=0 & wage_per_hour!=0))*100
## 
## FALSE  TRUE 
## 93.85  6.15
table(class_of_worker)
## class_of_worker
##             Federal government               Local government 
##                            153                            407 
##                   Never worked                Not in universe 
##                             17                           4881 
##                        Private     Self-employed-incorporated 
##                           3731                            148 
## Self-employed-not incorporated               State government 
##                            409                            245 
##                    Without pay 
##                              9
table(class_of_worker!="Not in universe")
## 
## FALSE  TRUE 
##  4881  5119
table(education)
## education
##                             10th grade 
##                                    384 
##                             11th grade 
##                                    318 
##                  12th grade no diploma 
##                                     84 
##               1st 2nd 3rd or 4th grade 
##                                     96 
##                       5th or 6th grade 
##                                    135 
##                      7th and 8th grade 
##                                    456 
##                              9th grade 
##                                    322 
##     Associates degree-academic program 
##                                    218 
##    Associates degree-occup /vocational 
##                                    261 
##             Bachelors degree(BA AB BS) 
##                                    973 
##                               Children 
##                                   2338 
##              Doctorate degree(PhD EdD) 
##                                     69 
##                   High school graduate 
##                                   2454 
##                    Less than 1st grade 
##                                     39 
## Masters degree(MA MS MEng MEd MSW MBA) 
##                                    347 
## Prof school degree (MD DDS DVM LLB JD) 
##                                     88 
##             Some college but no degree 
##                                   1418
prop.table(table(age!=0 & class_of_worker!="Not in universe"))*100
## 
## FALSE  TRUE 
## 48.81 51.19
table(industry_code)
## industry_code
##    0    1    2    3    4    5    6    7    8    9   11   12   13   14   15 
## 4898   39  115   25  308   27   25   19   23   59   97   56   50   16   19 
##   16   17   18   19   20   21   22   23   24   25   26   27   28   29   30 
##   28    9   23   82    1   26   50   34   86   53   10   37    6  218   55 
##   31   32   33   34   35   36   37   38   39   40   41   42   43   44   45 
##   56  192  891  153  178   59  207   61  147   90  187  246  451  125  218 
##   46   47   48   49   50   51 
##    8   69   36   38   92    2
prop.table(table(industry_code & wage_per_hour!=0))*100
## 
## FALSE  TRUE 
## 93.85  6.15
prop.table(table(citizenship))*100
## citizenship
##          Foreign born- Not a citizen of U S 
##                                        6.75 
## Foreign born- U S citizen by naturalization 
##                                        2.98 
##   Native- Born abroad of American Parent(s) 
##                                        0.88 
## Native- Born in Puerto Rico or U S Outlying 
##                                        0.66 
##           Native- Born in the United States 
##                                       88.73

Two-way contingency tables for the categorical variables in your dataset.

NOTE: The income levels are binned at below 50K and above 50K.

Variable: income_level

-50,000 -> income level below 50k

+50,000 -> income level above 50k

age_and_education<-as.data.frame(table(age,education))
c1<-cut(as.numeric(as.character(age_and_education$age)),breaks=seq(0,90,by=10))
table(age_and_education$education,c1)
##                                         c1
##                                          (0,10] (10,20] (20,30] (30,40]
##   10th grade                                 10      10      10      10
##   11th grade                                 10      10      10      10
##   12th grade no diploma                      10      10      10      10
##   1st 2nd 3rd or 4th grade                   10      10      10      10
##   5th or 6th grade                           10      10      10      10
##   7th and 8th grade                          10      10      10      10
##   9th grade                                  10      10      10      10
##   Associates degree-academic program         10      10      10      10
##   Associates degree-occup /vocational        10      10      10      10
##   Bachelors degree(BA AB BS)                 10      10      10      10
##   Children                                   10      10      10      10
##   Doctorate degree(PhD EdD)                  10      10      10      10
##   High school graduate                       10      10      10      10
##   Less than 1st grade                        10      10      10      10
##   Masters degree(MA MS MEng MEd MSW MBA)     10      10      10      10
##   Prof school degree (MD DDS DVM LLB JD)     10      10      10      10
##   Some college but no degree                 10      10      10      10
##                                         c1
##                                          (40,50] (50,60] (60,70] (70,80]
##   10th grade                                  10      10      10      10
##   11th grade                                  10      10      10      10
##   12th grade no diploma                       10      10      10      10
##   1st 2nd 3rd or 4th grade                    10      10      10      10
##   5th or 6th grade                            10      10      10      10
##   7th and 8th grade                           10      10      10      10
##   9th grade                                   10      10      10      10
##   Associates degree-academic program          10      10      10      10
##   Associates degree-occup /vocational         10      10      10      10
##   Bachelors degree(BA AB BS)                  10      10      10      10
##   Children                                    10      10      10      10
##   Doctorate degree(PhD EdD)                   10      10      10      10
##   High school graduate                        10      10      10      10
##   Less than 1st grade                         10      10      10      10
##   Masters degree(MA MS MEng MEd MSW MBA)      10      10      10      10
##   Prof school degree (MD DDS DVM LLB JD)      10      10      10      10
##   Some college but no degree                  10      10      10      10
##                                         c1
##                                          (80,90]
##   10th grade                                  10
##   11th grade                                  10
##   12th grade no diploma                       10
##   1st 2nd 3rd or 4th grade                    10
##   5th or 6th grade                            10
##   7th and 8th grade                           10
##   9th grade                                   10
##   Associates degree-academic program          10
##   Associates degree-occup /vocational         10
##   Bachelors degree(BA AB BS)                  10
##   Children                                    10
##   Doctorate degree(PhD EdD)                   10
##   High school graduate                        10
##   Less than 1st grade                         10
##   Masters degree(MA MS MEng MEd MSW MBA)      10
##   Prof school degree (MD DDS DVM LLB JD)      10
##   Some college but no degree                  10
mytable<-xtabs(~race+age,data=usincome)
mytable
##                              age
## race                            0   1   2   3   4   5   6   7   8   9  10
##   Amer Indian Aleut or Eskimo   2   5   2   2   3   2   2   2   1   2   6
##   Asian or Pacific Islander     5   5   5   7   1   6   7   6  10   6   5
##   Black                        23  23  19  18  18  23  15  22  15  20  28
##   Other                         3   8   3   3   7   7   6   6   7   4   3
##   White                       114 120 120 130 121 111 116 108 113 139 142
##                              age
## race                           11  12  13  14  15  16  17  18  19  20  21
##   Amer Indian Aleut or Eskimo   8   2   1   2   4   3   1   1   0   1   0
##   Asian or Pacific Islander     3   7   7   2   6   3   2   4   5   3   6
##   Black                        23  19  16  16  36  21  16  15  17  19  13
##   Other                         1   6   3   2   3   5   4   3   1   1   0
##   White                       135 132 111 135 127 128 102  87 116 102  83
##                              age
## race                           22  23  24  25  26  27  28  29  30  31  32
##   Amer Indian Aleut or Eskimo   1   2   2   0   5   0   2   2   1   2   0
##   Asian or Pacific Islander     7   5   6   4   2   5   7   7   4   7   5
##   Black                        10  11  16  16   7  16  18  27  13  13  19
##   Other                         6   6   2   5   4   5   2   7   2   5   3
##   White                        97  96 126 121 114 118 116 117 135 134 122
##                              age
## race                           33  34  35  36  37  38  39  40  41  42  43
##   Amer Indian Aleut or Eskimo   2   0   2   3   1   7   1   1   2   2   2
##   Asian or Pacific Islander     7   5   8   6   6   3   5   7   6   4   4
##   Black                        21  18   8   9  13  18  18  12  13  18  12
##   Other                         1   1   2   1   1   3   3   3   2   1   4
##   White                       150 137 148 150 170 139 127 130 153 134 133
##                              age
## race                           44  45  46  47  48  49  50  51  52  53  54
##   Amer Indian Aleut or Eskimo   2   0   1   2   2   0   2   2   1   2   1
##   Asian or Pacific Islander     5   8   8   2   4   1   6   2   3   4   3
##   Black                        15  14  11  14   4  10  12   9  10   8   7
##   Other                         3   3   1   4   0   2   1   2   2   0   0
##   White                       118 128 137 124 101  92  93  93 101  91  77
##                              age
## race                           55  56  57  58  59  60  61  62  63  64  65
##   Amer Indian Aleut or Eskimo   1   1   0   0   1   0   2   1   1   0   1
##   Asian or Pacific Islander     5   3   1   1   1   2   2   0   2   1   1
##   Black                         8  13   6   8   6   3   8   8   7   4   8
##   Other                         1   0   0   0   1   1   0   0   2   0   0
##   White                        76  58  87  61  66  65  71  76  81  72  66
##                              age
## race                           66  67  68  69  70  71  72  73  74  75  76
##   Amer Indian Aleut or Eskimo   1   0   0   0   1   0   0   0   1   0   0
##   Asian or Pacific Islander     1   1   0   1   1   0   1   0   2   0   0
##   Black                         2   5   3   6   3   4   4   4   6   4   4
##   Other                         0   2   0   0   0   0   1   0   1   0   0
##   White                        66  73  48  49  51  56  44  66  56  44  43
##                              age
## race                           77  78  79  80  81  82  83  84  85  86  87
##   Amer Indian Aleut or Eskimo   0   0   0   0   0   0   0   0   0   0   0
##   Asian or Pacific Islander     1   1   1   0   0   1   1   0   0   0   1
##   Black                         1   5   1   2   4   3   2   5   1   0   0
##   Other                         0   0   0   0   1   0   0   0   0   0   0
##   White                        39  53  38  40  23  31  24  22  20  19  15
##                              age
## race                           88  89  90
##   Amer Indian Aleut or Eskimo   0   0   0
##   Asian or Pacific Islander     0   0   0
##   Black                         0   0   4
##   Other                         0   0   0
##   White                        12   9  29
mytable1<-xtabs(~class_of_worker+marital_status,data=usincome)
mytable1
##                                 marital_status
## class_of_worker                  Divorced Married-A F spouse present
##   Federal government                   22                          2
##   Local government                     42                          2
##   Never worked                          0                          0
##   Not in universe                     145                         11
##   Private                             371                         10
##   Self-employed-incorporated            8                          0
##   Self-employed-not incorporated       33                          2
##   State government                     32                          1
##   Without pay                           0                          0
##                                 marital_status
## class_of_worker                  Married-civilian spouse present
##   Federal government                                          93
##   Local government                                           279
##   Never worked                                                 2
##   Not in universe                                           1237
##   Private                                                   2085
##   Self-employed-incorporated                                 117
##   Self-employed-not incorporated                             311
##   State government                                           145
##   Without pay                                                  5
##                                 marital_status
## class_of_worker                  Married-spouse absent Never married
##   Federal government                                 3            25
##   Local government                                   3            61
##   Never worked                                       0            15
##   Not in universe                                   19          3017
##   Private                                           51          1061
##   Self-employed-incorporated                         0            21
##   Self-employed-not incorporated                     3            42
##   State government                                   1            61
##   Without pay                                        0             4
##                                 marital_status
## class_of_worker                  Separated Widowed
##   Federal government                     2       6
##   Local government                       7      13
##   Never worked                           0       0
##   Not in universe                       41     411
##   Private                               92      61
##   Self-employed-incorporated             1       1
##   Self-employed-not incorporated         4      14
##   State government                       1       4
##   Without pay                            0       0
mytable2<-xtabs(~major_industry_code+income_level,data=usincome)
mytable2
##                                      income_level
## major_industry_code                   Above 50k Below 50k
##   Agriculture                                11       143
##   Armed Forces                                0         2
##   Business and repair services               27       241
##   Communications                             10        45
##   Construction                               24       284
##   Education                                  53       398
##   Entertainment                               5        85
##   Finance insurance and real estate          54       277
##   Forestry and fisheries                      0         8
##   Hospital services                          26       161
##   Manufacturing-durable goods                79       372
##   Manufacturing-nondurable goods             44       341
##   Medical except hospital                    22       224
##   Mining                                      4        21
##   Not in universe or children                36      4862
##   Other professional services                48       170
##   Personal services except private HH         4       143
##   Private household services                  0        59
##   Public administration                      31       204
##   Retail trade                               38       853
##   Social services                             2       123
##   Transportation                             29       189
##   Utilities and sanitary services            20        36
##   Wholesale trade                            20       172
prop.table(table(major_industry_code,sex))*100
##                                      sex
## major_industry_code                   Female  Male
##   Agriculture                           0.39  1.15
##   Armed Forces                          0.00  0.02
##   Business and repair services          1.01  1.67
##   Communications                        0.24  0.31
##   Construction                          0.34  2.74
##   Education                             3.16  1.35
##   Entertainment                         0.46  0.44
##   Finance insurance and real estate     2.01  1.30
##   Forestry and fisheries                0.00  0.08
##   Hospital services                     1.43  0.44
##   Manufacturing-durable goods           1.25  3.26
##   Manufacturing-nondurable goods        1.71  2.14
##   Medical except hospital               2.03  0.43
##   Mining                                0.02  0.23
##   Not in universe or children          28.18 20.80
##   Other professional services           1.19  0.99
##   Personal services except private HH   0.98  0.49
##   Private household services            0.53  0.06
##   Public administration                 1.06  1.29
##   Retail trade                          4.61  4.30
##   Social services                       1.05  0.20
##   Transportation                        0.70  1.48
##   Utilities and sanitary services       0.08  0.48
##   Wholesale trade                       0.69  1.23
prop.table(table(major_industry_code,migration_msa))*100
##                                      migration_msa
## major_industry_code                   Abroad to MSA Abroad to nonMSA
##   Agriculture                            0.00000000       0.00000000
##   Armed Forces                           0.00000000       0.00000000
##   Business and repair services           0.00000000       0.00000000
##   Communications                         0.00000000       0.00000000
##   Construction                           0.04034698       0.00000000
##   Education                              0.00000000       0.00000000
##   Entertainment                          0.00000000       0.00000000
##   Finance insurance and real estate      0.00000000       0.00000000
##   Forestry and fisheries                 0.00000000       0.00000000
##   Hospital services                      0.00000000       0.00000000
##   Manufacturing-durable goods            0.04034698       0.00000000
##   Manufacturing-nondurable goods         0.02017349       0.00000000
##   Medical except hospital                0.00000000       0.00000000
##   Mining                                 0.00000000       0.00000000
##   Not in universe or children            0.20173492       0.04034698
##   Other professional services            0.02017349       0.00000000
##   Personal services except private HH    0.00000000       0.00000000
##   Private household services             0.02017349       0.00000000
##   Public administration                  0.00000000       0.00000000
##   Retail trade                           0.00000000       0.04034698
##   Social services                        0.00000000       0.00000000
##   Transportation                         0.02017349       0.00000000
##   Utilities and sanitary services        0.00000000       0.00000000
##   Wholesale trade                        0.02017349       0.00000000
##                                      migration_msa
## major_industry_code                    MSA to MSA MSA to nonMSA
##   Agriculture                          0.04034698    0.00000000
##   Armed Forces                         0.02017349    0.00000000
##   Business and repair services         0.30260238    0.12104095
##   Communications                       0.08069397    0.00000000
##   Construction                         0.48416381    0.04034698
##   Education                            0.58503127    0.00000000
##   Entertainment                        0.12104095    0.00000000
##   Finance insurance and real estate    0.36312286    0.00000000
##   Forestry and fisheries               0.04034698    0.00000000
##   Hospital services                    0.16138794    0.00000000
##   Manufacturing-durable goods          0.50433730    0.06052048
##   Manufacturing-nondurable goods       0.42364333    0.04034698
##   Medical except hospital              0.30260238    0.02017349
##   Mining                               0.02017349    0.00000000
##   Not in universe or children          4.47851523    0.40346984
##   Other professional services          0.22190841    0.00000000
##   Personal services except private HH  0.24208190    0.02017349
##   Private household services           0.06052048    0.02017349
##   Public administration                0.12104095    0.00000000
##   Retail trade                         1.45249143    0.06052048
##   Social services                      0.18156143    0.00000000
##   Transportation                       0.20173492    0.00000000
##   Utilities and sanitary services      0.06052048    0.00000000
##   Wholesale trade                      0.30260238    0.00000000
##                                      migration_msa
## major_industry_code                      Nonmover NonMSA to MSA
##   Agriculture                          1.41214444    0.02017349
##   Armed Forces                         0.02017349    0.00000000
##   Business and repair services         2.03752270    0.02017349
##   Communications                       0.38329635    0.00000000
##   Construction                         2.25943111    0.02017349
##   Education                            3.79261650    0.02017349
##   Entertainment                        0.72624571    0.00000000
##   Finance insurance and real estate    2.80411539    0.00000000
##   Forestry and fisheries               0.02017349    0.00000000
##   Hospital services                    1.63405285    0.00000000
##   Manufacturing-durable goods          4.11539237    0.00000000
##   Manufacturing-nondurable goods       2.96550333    0.00000000
##   Medical except hospital              1.93665524    0.02017349
##   Mining                               0.22190841    0.00000000
##   Not in universe or children         40.22594311    0.22190841
##   Other professional services          1.95682873    0.02017349
##   Personal services except private HH  1.00867460    0.00000000
##   Private household services           0.62537825    0.02017349
##   Public administration                2.13839016    0.02017349
##   Retail trade                         7.20193666    0.06052048
##   Social services                      1.08936857    0.00000000
##   Transportation                       1.85596127    0.00000000
##   Utilities and sanitary services      0.40346984    0.00000000
##   Wholesale trade                      1.63405285    0.02017349
##                                      migration_msa
## major_industry_code                   NonMSA to nonMSA Not identifiable
##   Agriculture                               0.10086746       0.00000000
##   Armed Forces                              0.00000000       0.00000000
##   Business and repair services              0.04034698       0.00000000
##   Communications                            0.00000000       0.00000000
##   Construction                              0.06052048       0.06052048
##   Education                                 0.20173492       0.00000000
##   Entertainment                             0.02017349       0.00000000
##   Finance insurance and real estate         0.14121444       0.00000000
##   Forestry and fisheries                    0.02017349       0.00000000
##   Hospital services                         0.06052048       0.02017349
##   Manufacturing-durable goods               0.12104095       0.04034698
##   Manufacturing-nondurable goods            0.22190841       0.00000000
##   Medical except hospital                   0.08069397       0.02017349
##   Mining                                    0.00000000       0.02017349
##   Not in universe or children               1.25075651       0.06052048
##   Other professional services               0.02017349       0.00000000
##   Personal services except private HH       0.02017349       0.06052048
##   Private household services                0.02017349       0.00000000
##   Public administration                     0.06052048       0.00000000
##   Retail trade                              0.40346984       0.12104095
##   Social services                           0.00000000       0.00000000
##   Transportation                            0.04034698       0.00000000
##   Utilities and sanitary services           0.00000000       0.00000000
##   Wholesale trade                           0.00000000       0.00000000
##                                      migration_msa
## major_industry_code                   Not in universe
##   Agriculture                              0.00000000
##   Armed Forces                             0.00000000
##   Business and repair services             0.00000000
##   Communications                           0.00000000
##   Construction                             0.00000000
##   Education                                0.00000000
##   Entertainment                            0.00000000
##   Finance insurance and real estate        0.00000000
##   Forestry and fisheries                   0.00000000
##   Hospital services                        0.00000000
##   Manufacturing-durable goods              0.00000000
##   Manufacturing-nondurable goods           0.00000000
##   Medical except hospital                  0.00000000
##   Mining                                   0.00000000
##   Not in universe or children              1.75509381
##   Other professional services              0.00000000
##   Personal services except private HH      0.00000000
##   Private household services               0.00000000
##   Public administration                    0.00000000
##   Retail trade                             0.00000000
##   Social services                          0.00000000
##   Transportation                           0.00000000
##   Utilities and sanitary services          0.00000000
##   Wholesale trade                          0.00000000
prop.table(table(major_industry_code,migration_reg))*100
##                                      migration_reg
## major_industry_code                        Abroad
##   Agriculture                          0.00000000
##   Armed Forces                         0.00000000
##   Business and repair services         0.00000000
##   Communications                       0.00000000
##   Construction                         0.04034698
##   Education                            0.00000000
##   Entertainment                        0.00000000
##   Finance insurance and real estate    0.00000000
##   Forestry and fisheries               0.00000000
##   Hospital services                    0.00000000
##   Manufacturing-durable goods          0.04034698
##   Manufacturing-nondurable goods       0.02017349
##   Medical except hospital              0.00000000
##   Mining                               0.00000000
##   Not in universe or children          0.24208190
##   Other professional services          0.02017349
##   Personal services except private HH  0.00000000
##   Private household services           0.02017349
##   Public administration                0.00000000
##   Retail trade                         0.04034698
##   Social services                      0.00000000
##   Transportation                       0.02017349
##   Utilities and sanitary services      0.00000000
##   Wholesale trade                      0.02017349
##                                      migration_reg
## major_industry_code                   Different county same state
##   Agriculture                                          0.02017349
##   Armed Forces                                         0.00000000
##   Business and repair services                         0.14121444
##   Communications                                       0.04034698
##   Construction                                         0.18156143
##   Education                                            0.18156143
##   Entertainment                                        0.06052048
##   Finance insurance and real estate                    0.08069397
##   Forestry and fisheries                               0.04034698
##   Hospital services                                    0.02017349
##   Manufacturing-durable goods                          0.18156143
##   Manufacturing-nondurable goods                       0.06052048
##   Medical except hospital                              0.10086746
##   Mining                                               0.00000000
##   Not in universe or children                          0.90780714
##   Other professional services                          0.02017349
##   Personal services except private HH                  0.06052048
##   Private household services                           0.02017349
##   Public administration                                0.02017349
##   Retail trade                                         0.44381682
##   Social services                                      0.02017349
##   Transportation                                       0.06052048
##   Utilities and sanitary services                      0.02017349
##   Wholesale trade                                      0.00000000
##                                      migration_reg
## major_industry_code                   Different division same region
##   Agriculture                                             0.02017349
##   Armed Forces                                            0.00000000
##   Business and repair services                            0.02017349
##   Communications                                          0.00000000
##   Construction                                            0.00000000
##   Education                                               0.04034698
##   Entertainment                                           0.00000000
##   Finance insurance and real estate                       0.02017349
##   Forestry and fisheries                                  0.00000000
##   Hospital services                                       0.00000000
##   Manufacturing-durable goods                             0.00000000
##   Manufacturing-nondurable goods                          0.04034698
##   Medical except hospital                                 0.02017349
##   Mining                                                  0.00000000
##   Not in universe or children                             0.26225540
##   Other professional services                             0.02017349
##   Personal services except private HH                     0.00000000
##   Private household services                              0.00000000
##   Public administration                                   0.00000000
##   Retail trade                                            0.00000000
##   Social services                                         0.00000000
##   Transportation                                          0.00000000
##   Utilities and sanitary services                         0.00000000
##   Wholesale trade                                         0.00000000
##                                      migration_reg
## major_industry_code                   Different region
##   Agriculture                               0.00000000
##   Armed Forces                              0.02017349
##   Business and repair services              0.04034698
##   Communications                            0.00000000
##   Construction                              0.04034698
##   Education                                 0.04034698
##   Entertainment                             0.00000000
##   Finance insurance and real estate         0.02017349
##   Forestry and fisheries                    0.00000000
##   Hospital services                         0.00000000
##   Manufacturing-durable goods               0.06052048
##   Manufacturing-nondurable goods            0.04034698
##   Medical except hospital                   0.00000000
##   Mining                                    0.00000000
##   Not in universe or children               0.58503127
##   Other professional services               0.04034698
##   Personal services except private HH       0.04034698
##   Private household services                0.00000000
##   Public administration                     0.04034698
##   Retail trade                              0.20173492
##   Social services                           0.00000000
##   Transportation                            0.02017349
##   Utilities and sanitary services           0.02017349
##   Wholesale trade                           0.02017349
##                                      migration_reg
## major_industry_code                   Different state same division
##   Agriculture                                            0.00000000
##   Armed Forces                                           0.00000000
##   Business and repair services                           0.04034698
##   Communications                                         0.00000000
##   Construction                                           0.04034698
##   Education                                              0.06052048
##   Entertainment                                          0.00000000
##   Finance insurance and real estate                      0.02017349
##   Forestry and fisheries                                 0.00000000
##   Hospital services                                      0.00000000
##   Manufacturing-durable goods                            0.04034698
##   Manufacturing-nondurable goods                         0.00000000
##   Medical except hospital                                0.02017349
##   Mining                                                 0.02017349
##   Not in universe or children                            0.34294936
##   Other professional services                            0.02017349
##   Personal services except private HH                    0.00000000
##   Private household services                             0.02017349
##   Public administration                                  0.00000000
##   Retail trade                                           0.10086746
##   Social services                                        0.00000000
##   Transportation                                         0.00000000
##   Utilities and sanitary services                        0.00000000
##   Wholesale trade                                        0.02017349
##                                      migration_reg
## major_industry_code                      Nonmover Not in universe
##   Agriculture                          1.41214444      0.00000000
##   Armed Forces                         0.02017349      0.00000000
##   Business and repair services         2.03752270      0.00000000
##   Communications                       0.38329635      0.00000000
##   Construction                         2.25943111      0.00000000
##   Education                            3.79261650      0.00000000
##   Entertainment                        0.72624571      0.00000000
##   Finance insurance and real estate    2.80411539      0.00000000
##   Forestry and fisheries               0.02017349      0.00000000
##   Hospital services                    1.63405285      0.00000000
##   Manufacturing-durable goods          4.11539237      0.00000000
##   Manufacturing-nondurable goods       2.96550333      0.00000000
##   Medical except hospital              1.93665524      0.00000000
##   Mining                               0.22190841      0.00000000
##   Not in universe or children         40.22594311      1.75509381
##   Other professional services          1.95682873      0.00000000
##   Personal services except private HH  1.00867460      0.00000000
##   Private household services           0.62537825      0.00000000
##   Public administration                2.13839016      0.00000000
##   Retail trade                         7.20193666      0.00000000
##   Social services                      1.08936857      0.00000000
##   Transportation                       1.85596127      0.00000000
##   Utilities and sanitary services      0.40346984      0.00000000
##   Wholesale trade                      1.63405285      0.00000000
##                                      migration_reg
## major_industry_code                   Same county
##   Agriculture                          0.12104095
##   Armed Forces                         0.00000000
##   Business and repair services         0.24208190
##   Communications                       0.04034698
##   Construction                         0.40346984
##   Education                            0.48416381
##   Entertainment                        0.08069397
##   Finance insurance and real estate    0.36312286
##   Forestry and fisheries               0.02017349
##   Hospital services                    0.22190841
##   Manufacturing-durable goods          0.44381682
##   Manufacturing-nondurable goods       0.54468428
##   Medical except hospital              0.30260238
##   Mining                               0.02017349
##   Not in universe or children          4.31712729
##   Other professional services          0.16138794
##   Personal services except private HH  0.24208190
##   Private household services           0.08069397
##   Public administration                0.14121444
##   Retail trade                         1.35162397
##   Social services                      0.16138794
##   Transportation                       0.16138794
##   Utilities and sanitary services      0.02017349
##   Wholesale trade                      0.28242889
prop.table(table(major_industry_code,weeks_worked_in_year))*100
##                                      weeks_worked_in_year
## major_industry_code                       0     1     2     3     4     5
##   Agriculture                          0.07  0.00  0.00  0.00  0.01  0.00
##   Armed Forces                         0.00  0.00  0.00  0.00  0.00  0.00
##   Business and repair services         0.09  0.04  0.02  0.00  0.01  0.00
##   Communications                       0.00  0.00  0.00  0.00  0.00  0.00
##   Construction                         0.11  0.00  0.00  0.01  0.01  0.00
##   Education                            0.07  0.00  0.01  0.00  0.03  0.00
##   Entertainment                        0.04  0.02  0.00  0.00  0.00  0.00
##   Finance insurance and real estate    0.05  0.00  0.01  0.01  0.00  0.01
##   Forestry and fisheries               0.00  0.00  0.00  0.00  0.00  0.00
##   Hospital services                    0.03  0.00  0.01  0.00  0.00  0.00
##   Manufacturing-durable goods          0.12  0.01  0.01  0.00  0.01  0.00
##   Manufacturing-nondurable goods       0.11  0.01  0.00  0.00  0.00  0.00
##   Medical except hospital              0.09  0.00  0.00  0.00  0.02  0.01
##   Mining                               0.00  0.00  0.00  0.00  0.00  0.00
##   Not in universe or children         44.96  0.22  0.13  0.10  0.26  0.08
##   Other professional services          0.05  0.01  0.00  0.01  0.02  0.00
##   Personal services except private HH  0.09  0.00  0.00  0.00  0.01  0.00
##   Private household services           0.04  0.01  0.00  0.01  0.01  0.00
##   Public administration                0.03  0.00  0.03  0.00  0.00  0.00
##   Retail trade                         0.45  0.00  0.02  0.03  0.09  0.01
##   Social services                      0.07  0.01  0.01  0.00  0.00  0.00
##   Transportation                       0.05  0.00  0.00  0.00  0.01  0.01
##   Utilities and sanitary services      0.00  0.00  0.00  0.00  0.00  0.00
##   Wholesale trade                      0.04  0.00  0.01  0.00  0.01  0.00
##                                      weeks_worked_in_year
## major_industry_code                       6     7     8     9    10    11
##   Agriculture                          0.02  0.02  0.03  0.00  0.02  0.00
##   Armed Forces                         0.00  0.00  0.00  0.00  0.00  0.00
##   Business and repair services         0.00  0.00  0.01  0.00  0.02  0.00
##   Communications                       0.00  0.00  0.00  0.00  0.00  0.00
##   Construction                         0.00  0.01  0.03  0.01  0.01  0.00
##   Education                            0.00  0.00  0.02  0.01  0.02  0.01
##   Entertainment                        0.01  0.02  0.02  0.00  0.00  0.01
##   Finance insurance and real estate    0.00  0.00  0.00  0.01  0.01  0.00
##   Forestry and fisheries               0.01  0.00  0.00  0.00  0.00  0.00
##   Hospital services                    0.00  0.00  0.02  0.00  0.00  0.00
##   Manufacturing-durable goods          0.02  0.00  0.02  0.02  0.01  0.00
##   Manufacturing-nondurable goods       0.01  0.00  0.06  0.00  0.00  0.01
##   Medical except hospital              0.00  0.00  0.02  0.00  0.01  0.00
##   Mining                               0.00  0.00  0.00  0.00  0.00  0.00
##   Not in universe or children          0.11  0.03  0.21  0.08  0.14  0.03
##   Other professional services          0.00  0.00  0.00  0.00  0.02  0.00
##   Personal services except private HH  0.00  0.00  0.02  0.00  0.00  0.00
##   Private household services           0.00  0.00  0.00  0.01  0.02  0.00
##   Public administration                0.02  0.00  0.01  0.00  0.00  0.00
##   Retail trade                         0.04  0.00  0.08  0.03  0.01  0.00
##   Social services                      0.00  0.00  0.00  0.00  0.01  0.00
##   Transportation                       0.01  0.00  0.00  0.00  0.00  0.00
##   Utilities and sanitary services      0.00  0.00  0.00  0.00  0.00  0.00
##   Wholesale trade                      0.00  0.00  0.02  0.00  0.00  0.00
##                                      weeks_worked_in_year
## major_industry_code                      12    13    14    15    16    17
##   Agriculture                          0.03  0.01  0.00  0.01  0.00  0.01
##   Armed Forces                         0.00  0.00  0.00  0.00  0.00  0.00
##   Business and repair services         0.08  0.01  0.01  0.01  0.05  0.01
##   Communications                       0.00  0.00  0.00  0.00  0.00  0.00
##   Construction                         0.01  0.01  0.02  0.00  0.02  0.00
##   Education                            0.04  0.00  0.00  0.04  0.06  0.00
##   Entertainment                        0.00  0.01  0.00  0.00  0.01  0.01
##   Finance insurance and real estate    0.02  0.00  0.00  0.02  0.02  0.01
##   Forestry and fisheries               0.00  0.00  0.00  0.00  0.01  0.00
##   Hospital services                    0.00  0.01  0.00  0.00  0.00  0.01
##   Manufacturing-durable goods          0.05  0.00  0.01  0.00  0.01  0.00
##   Manufacturing-nondurable goods       0.01  0.02  0.00  0.01  0.03  0.00
##   Medical except hospital              0.00  0.01  0.01  0.00  0.02  0.01
##   Mining                               0.00  0.00  0.00  0.00  0.00  0.00
##   Not in universe or children          0.37  0.09  0.05  0.03  0.13  0.02
##   Other professional services          0.01  0.00  0.00  0.00  0.02  0.00
##   Personal services except private HH  0.02  0.01  0.00  0.00  0.02  0.00
##   Private household services           0.00  0.00  0.00  0.00  0.02  0.00
##   Public administration                0.00  0.01  0.00  0.00  0.00  0.01
##   Retail trade                         0.22  0.04  0.02  0.02  0.04  0.03
##   Social services                      0.02  0.01  0.00  0.00  0.04  0.00
##   Transportation                       0.00  0.00  0.00  0.00  0.00  0.01
##   Utilities and sanitary services      0.01  0.01  0.00  0.01  0.00  0.00
##   Wholesale trade                      0.03  0.00  0.00  0.00  0.02  0.01
##                                      weeks_worked_in_year
## major_industry_code                      18    19    20    21    22    23
##   Agriculture                          0.01  0.00  0.01  0.00  0.01  0.00
##   Armed Forces                         0.00  0.00  0.00  0.00  0.00  0.00
##   Business and repair services         0.01  0.00  0.02  0.00  0.00  0.00
##   Communications                       0.00  0.00  0.01  0.00  0.00  0.01
##   Construction                         0.01  0.00  0.03  0.01  0.01  0.00
##   Education                            0.01  0.00  0.05  0.00  0.02  0.01
##   Entertainment                        0.01  0.00  0.01  0.00  0.00  0.00
##   Finance insurance and real estate    0.00  0.01  0.02  0.00  0.01  0.00
##   Forestry and fisheries               0.01  0.00  0.00  0.00  0.00  0.00
##   Hospital services                    0.00  0.00  0.00  0.00  0.00  0.00
##   Manufacturing-durable goods          0.00  0.01  0.01  0.01  0.01  0.00
##   Manufacturing-nondurable goods       0.00  0.00  0.01  0.01  0.01  0.00
##   Medical except hospital              0.00  0.00  0.06  0.00  0.02  0.00
##   Mining                               0.00  0.00  0.00  0.00  0.00  0.00
##   Not in universe or children          0.04  0.00  0.16  0.03  0.06  0.01
##   Other professional services          0.00  0.00  0.01  0.00  0.00  0.00
##   Personal services except private HH  0.00  0.00  0.02  0.01  0.02  0.00
##   Private household services           0.00  0.00  0.00  0.00  0.00  0.00
##   Public administration                0.01  0.00  0.01  0.00  0.00  0.00
##   Retail trade                         0.04  0.01  0.24  0.03  0.02  0.01
##   Social services                      0.00  0.00  0.03  0.00  0.00  0.00
##   Transportation                       0.01  0.00  0.01  0.00  0.01  0.00
##   Utilities and sanitary services      0.00  0.00  0.00  0.00  0.00  0.00
##   Wholesale trade                      0.00  0.00  0.00  0.01  0.00  0.00
##                                      weeks_worked_in_year
## major_industry_code                      24    25    26    27    28    29
##   Agriculture                          0.00  0.00  0.02  0.00  0.02  0.00
##   Armed Forces                         0.00  0.00  0.00  0.00  0.00  0.00
##   Business and repair services         0.02  0.00  0.05  0.00  0.04  0.00
##   Communications                       0.02  0.00  0.01  0.00  0.00  0.00
##   Construction                         0.02  0.01  0.15  0.00  0.02  0.00
##   Education                            0.00  0.06  0.03  0.02  0.03  0.01
##   Entertainment                        0.00  0.00  0.03  0.00  0.00  0.00
##   Finance insurance and real estate    0.02  0.00  0.03  0.00  0.01  0.01
##   Forestry and fisheries               0.00  0.00  0.00  0.00  0.00  0.00
##   Hospital services                    0.02  0.00  0.03  0.00  0.00  0.00
##   Manufacturing-durable goods          0.04  0.00  0.09  0.00  0.03  0.00
##   Manufacturing-nondurable goods       0.03  0.01  0.10  0.00  0.02  0.00
##   Medical except hospital              0.00  0.01  0.01  0.00  0.01  0.00
##   Mining                               0.00  0.00  0.01  0.00  0.00  0.00
##   Not in universe or children          0.05  0.03  0.29  0.01  0.04  0.01
##   Other professional services          0.00  0.01  0.01  0.00  0.00  0.00
##   Personal services except private HH  0.01  0.02  0.03  0.00  0.01  0.00
##   Private household services           0.00  0.00  0.00  0.00  0.01  0.00
##   Public administration                0.00  0.01  0.03  0.00  0.00  0.00
##   Retail trade                         0.09  0.03  0.27  0.01  0.07  0.01
##   Social services                      0.00  0.00  0.03  0.00  0.03  0.00
##   Transportation                       0.00  0.00  0.03  0.00  0.00  0.00
##   Utilities and sanitary services      0.01  0.00  0.00  0.00  0.00  0.00
##   Wholesale trade                      0.02  0.00  0.01  0.00  0.02  0.00
##                                      weeks_worked_in_year
## major_industry_code                      30    32    33    34    35    36
##   Agriculture                          0.02  0.02  0.00  0.01  0.01  0.00
##   Armed Forces                         0.00  0.00  0.00  0.00  0.00  0.00
##   Business and repair services         0.08  0.01  0.01  0.00  0.01  0.05
##   Communications                       0.00  0.01  0.00  0.00  0.00  0.00
##   Construction                         0.07  0.04  0.00  0.00  0.02  0.04
##   Education                            0.09  0.02  0.00  0.01  0.02  0.17
##   Entertainment                        0.01  0.01  0.00  0.00  0.01  0.03
##   Finance insurance and real estate    0.01  0.01  0.00  0.00  0.01  0.03
##   Forestry and fisheries               0.01  0.00  0.00  0.00  0.00  0.00
##   Hospital services                    0.00  0.00  0.00  0.01  0.00  0.01
##   Manufacturing-durable goods          0.01  0.03  0.00  0.00  0.06  0.09
##   Manufacturing-nondurable goods       0.01  0.00  0.00  0.01  0.00  0.04
##   Medical except hospital              0.03  0.02  0.00  0.00  0.01  0.05
##   Mining                               0.00  0.00  0.00  0.00  0.00  0.00
##   Not in universe or children          0.07  0.06  0.00  0.04  0.03  0.08
##   Other professional services          0.01  0.01  0.01  0.00  0.01  0.01
##   Personal services except private HH  0.01  0.02  0.00  0.00  0.00  0.01
##   Private household services           0.03  0.04  0.00  0.00  0.01  0.01
##   Public administration                0.06  0.00  0.00  0.00  0.01  0.02
##   Retail trade                         0.16  0.08  0.00  0.02  0.06  0.11
##   Social services                      0.00  0.00  0.00  0.00  0.01  0.04
##   Transportation                       0.00  0.01  0.00  0.01  0.01  0.01
##   Utilities and sanitary services      0.00  0.00  0.00  0.00  0.00  0.00
##   Wholesale trade                      0.04  0.00  0.00  0.00  0.02  0.01
##                                      weeks_worked_in_year
## major_industry_code                      37    38    39    40    41    42
##   Agriculture                          0.00  0.02  0.00  0.02  0.00  0.00
##   Armed Forces                         0.00  0.00  0.00  0.01  0.00  0.00
##   Business and repair services         0.00  0.02  0.01  0.08  0.01  0.00
##   Communications                       0.00  0.00  0.00  0.00  0.00  0.00
##   Construction                         0.00  0.01  0.01  0.10  0.00  0.04
##   Education                            0.01  0.09  0.03  0.28  0.01  0.09
##   Entertainment                        0.00  0.00  0.00  0.04  0.00  0.02
##   Finance insurance and real estate    0.00  0.00  0.03  0.08  0.00  0.00
##   Forestry and fisheries               0.00  0.00  0.00  0.00  0.00  0.00
##   Hospital services                    0.01  0.00  0.01  0.03  0.00  0.00
##   Manufacturing-durable goods          0.02  0.00  0.02  0.09  0.00  0.02
##   Manufacturing-nondurable goods       0.01  0.03  0.00  0.05  0.00  0.04
##   Medical except hospital              0.00  0.01  0.01  0.07  0.00  0.01
##   Mining                               0.00  0.00  0.00  0.01  0.00  0.00
##   Not in universe or children          0.01  0.02  0.02  0.11  0.00  0.00
##   Other professional services          0.00  0.01  0.00  0.08  0.00  0.00
##   Personal services except private HH  0.00  0.02  0.00  0.00  0.00  0.00
##   Private household services           0.00  0.00  0.00  0.06  0.00  0.00
##   Public administration                0.00  0.01  0.00  0.02  0.00  0.00
##   Retail trade                         0.01  0.05  0.06  0.34  0.00  0.05
##   Social services                      0.03  0.00  0.00  0.03  0.00  0.00
##   Transportation                       0.00  0.00  0.00  0.04  0.00  0.03
##   Utilities and sanitary services      0.01  0.00  0.00  0.01  0.00  0.00
##   Wholesale trade                      0.00  0.00  0.02  0.02  0.00  0.00
##                                      weeks_worked_in_year
## major_industry_code                      43    44    45    46    47    48
##   Agriculture                          0.02  0.05  0.00  0.01  0.00  0.02
##   Armed Forces                         0.00  0.00  0.00  0.00  0.00  0.00
##   Business and repair services         0.02  0.01  0.03  0.00  0.00  0.04
##   Communications                       0.00  0.00  0.01  0.00  0.00  0.01
##   Construction                         0.01  0.05  0.02  0.04  0.00  0.08
##   Education                            0.02  0.07  0.05  0.06  0.01  0.11
##   Entertainment                        0.00  0.00  0.02  0.01  0.00  0.03
##   Finance insurance and real estate    0.00  0.00  0.03  0.00  0.00  0.03
##   Forestry and fisheries               0.00  0.00  0.00  0.00  0.00  0.00
##   Hospital services                    0.01  0.02  0.01  0.01  0.01  0.01
##   Manufacturing-durable goods          0.04  0.03  0.07  0.04  0.02  0.04
##   Manufacturing-nondurable goods       0.02  0.06  0.05  0.01  0.02  0.03
##   Medical except hospital              0.00  0.02  0.02  0.01  0.00  0.04
##   Mining                               0.00  0.00  0.00  0.00  0.00  0.00
##   Not in universe or children          0.01  0.00  0.02  0.02  0.00  0.02
##   Other professional services          0.00  0.02  0.01  0.00  0.02  0.01
##   Personal services except private HH  0.02  0.01  0.03  0.02  0.00  0.03
##   Private household services           0.00  0.01  0.01  0.00  0.00  0.00
##   Public administration                0.00  0.01  0.00  0.02  0.01  0.01
##   Retail trade                         0.01  0.05  0.04  0.05  0.02  0.13
##   Social services                      0.01  0.00  0.01  0.02  0.02  0.01
##   Transportation                       0.01  0.00  0.01  0.03  0.00  0.06
##   Utilities and sanitary services      0.00  0.00  0.00  0.00  0.00  0.01
##   Wholesale trade                      0.00  0.01  0.01  0.02  0.00  0.04
##                                      weeks_worked_in_year
## major_industry_code                      49    50    51    52
##   Agriculture                          0.00  0.02  0.03  0.99
##   Armed Forces                         0.00  0.00  0.00  0.01
##   Business and repair services         0.02  0.06  0.02  1.70
##   Communications                       0.00  0.00  0.00  0.47
##   Construction                         0.03  0.15  0.01  1.85
##   Education                            0.00  0.07  0.00  2.75
##   Entertainment                        0.00  0.00  0.01  0.51
##   Finance insurance and real estate    0.02  0.05  0.02  2.71
##   Forestry and fisheries               0.00  0.00  0.00  0.04
##   Hospital services                    0.01  0.02  0.01  1.56
##   Manufacturing-durable goods          0.04  0.09  0.10  3.21
##   Manufacturing-nondurable goods       0.03  0.09  0.05  2.84
##   Medical except hospital              0.02  0.06  0.02  1.75
##   Mining                               0.00  0.00  0.01  0.22
##   Not in universe or children          0.00  0.01  0.00  0.69
##   Other professional services          0.02  0.05  0.02  1.72
##   Personal services except private HH  0.01  0.07  0.02  0.91
##   Private household services           0.00  0.00  0.00  0.29
##   Public administration                0.00  0.00  0.00  2.01
##   Retail trade                         0.05  0.18  0.11  5.37
##   Social services                      0.00  0.07  0.02  0.72
##   Transportation                       0.02  0.09  0.02  1.68
##   Utilities and sanitary services      0.00  0.01  0.00  0.48
##   Wholesale trade                      0.01  0.05  0.01  1.46
prop.table(table(major_industry_code,income_level))*100
##                                      income_level
## major_industry_code                   -50000 50000
##   Agriculture                           1.43  0.11
##   Armed Forces                          0.02  0.00
##   Business and repair services          2.41  0.27
##   Communications                        0.45  0.10
##   Construction                          2.84  0.24
##   Education                             3.98  0.53
##   Entertainment                         0.85  0.05
##   Finance insurance and real estate     2.77  0.54
##   Forestry and fisheries                0.08  0.00
##   Hospital services                     1.61  0.26
##   Manufacturing-durable goods           3.72  0.79
##   Manufacturing-nondurable goods        3.41  0.44
##   Medical except hospital               2.24  0.22
##   Mining                                0.21  0.04
##   Not in universe or children          48.62  0.36
##   Other professional services           1.70  0.48
##   Personal services except private HH   1.43  0.04
##   Private household services            0.59  0.00
##   Public administration                 2.04  0.31
##   Retail trade                          8.53  0.38
##   Social services                       1.23  0.02
##   Transportation                        1.89  0.29
##   Utilities and sanitary services       0.36  0.20
##   Wholesale trade                       1.72  0.20
prop.table(table(major_industry_code,full_parttime_employment_stat))*100
##                                      full_parttime_employment_stat
## major_industry_code                   Children or Armed Forces
##   Agriculture                                             0.78
##   Armed Forces                                            0.02
##   Business and repair services                            1.25
##   Communications                                          0.23
##   Construction                                            1.47
##   Education                                               2.28
##   Entertainment                                           0.43
##   Finance insurance and real estate                       1.64
##   Forestry and fisheries                                  0.04
##   Hospital services                                       0.93
##   Manufacturing-durable goods                             2.42
##   Manufacturing-nondurable goods                          1.82
##   Medical except hospital                                 1.18
##   Mining                                                  0.13
##   Not in universe or children                            36.10
##   Other professional services                             1.11
##   Personal services except private HH                     0.67
##   Private household services                              0.38
##   Public administration                                   1.16
##   Retail trade                                            4.63
##   Social services                                         0.63
##   Transportation                                          1.05
##   Utilities and sanitary services                         0.23
##   Wholesale trade                                         0.98
##                                      full_parttime_employment_stat
## major_industry_code                   Full-time schedules
##   Agriculture                                        0.54
##   Armed Forces                                       0.00
##   Business and repair services                       1.12
##   Communications                                     0.29
##   Construction                                       1.18
##   Education                                          1.80
##   Entertainment                                      0.38
##   Finance insurance and real estate                  1.40
##   Forestry and fisheries                             0.01
##   Hospital services                                  0.77
##   Manufacturing-durable goods                        1.83
##   Manufacturing-nondurable goods                     1.70
##   Medical except hospital                            1.08
##   Mining                                             0.09
##   Not in universe or children                        0.00
##   Other professional services                        0.97
##   Personal services except private HH                0.66
##   Private household services                         0.16
##   Public administration                              0.96
##   Retail trade                                       3.53
##   Social services                                    0.52
##   Transportation                                     0.88
##   Utilities and sanitary services                    0.29
##   Wholesale trade                                    0.81
##                                      full_parttime_employment_stat
## major_industry_code                   Not in labor force
##   Agriculture                                       0.01
##   Armed Forces                                      0.00
##   Business and repair services                      0.03
##   Communications                                    0.00
##   Construction                                      0.04
##   Education                                         0.01
##   Entertainment                                     0.02
##   Finance insurance and real estate                 0.03
##   Forestry and fisheries                            0.02
##   Hospital services                                 0.01
##   Manufacturing-durable goods                       0.00
##   Manufacturing-nondurable goods                    0.01
##   Medical except hospital                           0.02
##   Mining                                            0.00
##   Not in universe or children                      12.79
##   Other professional services                       0.01
##   Personal services except private HH               0.00
##   Private household services                        0.02
##   Public administration                             0.01
##   Retail trade                                      0.07
##   Social services                                   0.00
##   Transportation                                    0.01
##   Utilities and sanitary services                   0.01
##   Wholesale trade                                   0.02
##                                      full_parttime_employment_stat
## major_industry_code                   PT for econ reasons usually FT
##   Agriculture                                                   0.03
##   Armed Forces                                                  0.00
##   Business and repair services                                  0.03
##   Communications                                                0.00
##   Construction                                                  0.00
##   Education                                                     0.02
##   Entertainment                                                 0.00
##   Finance insurance and real estate                             0.01
##   Forestry and fisheries                                        0.00
##   Hospital services                                             0.00
##   Manufacturing-durable goods                                   0.02
##   Manufacturing-nondurable goods                                0.00
##   Medical except hospital                                       0.00
##   Mining                                                        0.00
##   Not in universe or children                                   0.00
##   Other professional services                                   0.00
##   Personal services except private HH                           0.02
##   Private household services                                    0.00
##   Public administration                                         0.00
##   Retail trade                                                  0.06
##   Social services                                               0.01
##   Transportation                                                0.02
##   Utilities and sanitary services                               0.00
##   Wholesale trade                                               0.01
##                                      full_parttime_employment_stat
## major_industry_code                   PT for econ reasons usually PT
##   Agriculture                                                   0.08
##   Armed Forces                                                  0.00
##   Business and repair services                                  0.07
##   Communications                                                0.00
##   Construction                                                  0.11
##   Education                                                     0.04
##   Entertainment                                                 0.01
##   Finance insurance and real estate                             0.02
##   Forestry and fisheries                                        0.01
##   Hospital services                                             0.03
##   Manufacturing-durable goods                                   0.03
##   Manufacturing-nondurable goods                                0.05
##   Medical except hospital                                       0.02
##   Mining                                                        0.02
##   Not in universe or children                                   0.00
##   Other professional services                                   0.00
##   Personal services except private HH                           0.04
##   Private household services                                    0.01
##   Public administration                                         0.06
##   Retail trade                                                  0.05
##   Social services                                               0.00
##   Transportation                                                0.06
##   Utilities and sanitary services                               0.00
##   Wholesale trade                                               0.01
##                                      full_parttime_employment_stat
## major_industry_code                   PT for non-econ reasons usually FT
##   Agriculture                                                       0.04
##   Armed Forces                                                      0.00
##   Business and repair services                                      0.09
##   Communications                                                    0.03
##   Construction                                                      0.16
##   Education                                                         0.25
##   Entertainment                                                     0.02
##   Finance insurance and real estate                                 0.14
##   Forestry and fisheries                                            0.00
##   Hospital services                                                 0.11
##   Manufacturing-durable goods                                       0.08
##   Manufacturing-nondurable goods                                    0.13
##   Medical except hospital                                           0.07
##   Mining                                                            0.00
##   Not in universe or children                                       0.00
##   Other professional services                                       0.03
##   Personal services except private HH                               0.02
##   Private household services                                        0.01
##   Public administration                                             0.14
##   Retail trade                                                      0.28
##   Social services                                                   0.06
##   Transportation                                                    0.11
##   Utilities and sanitary services                                   0.02
##   Wholesale trade                                                   0.05
##                                      full_parttime_employment_stat
## major_industry_code                   Unemployed full-time
##   Agriculture                                         0.06
##   Armed Forces                                        0.00
##   Business and repair services                        0.08
##   Communications                                      0.00
##   Construction                                        0.11
##   Education                                           0.06
##   Entertainment                                       0.02
##   Finance insurance and real estate                   0.05
##   Forestry and fisheries                              0.00
##   Hospital services                                   0.02
##   Manufacturing-durable goods                         0.13
##   Manufacturing-nondurable goods                      0.13
##   Medical except hospital                             0.06
##   Mining                                              0.01
##   Not in universe or children                         0.05
##   Other professional services                         0.06
##   Personal services except private HH                 0.04
##   Private household services                          0.00
##   Public administration                               0.01
##   Retail trade                                        0.20
##   Social services                                     0.02
##   Transportation                                      0.04
##   Utilities and sanitary services                     0.01
##   Wholesale trade                                     0.03
##                                      full_parttime_employment_stat
## major_industry_code                   Unemployed part- time
##   Agriculture                                          0.00
##   Armed Forces                                         0.00
##   Business and repair services                         0.01
##   Communications                                       0.00
##   Construction                                         0.01
##   Education                                            0.05
##   Entertainment                                        0.02
##   Finance insurance and real estate                    0.02
##   Forestry and fisheries                               0.00
##   Hospital services                                    0.00
##   Manufacturing-durable goods                          0.00
##   Manufacturing-nondurable goods                       0.01
##   Medical except hospital                              0.03
##   Mining                                               0.00
##   Not in universe or children                          0.04
##   Other professional services                          0.00
##   Personal services except private HH                  0.02
##   Private household services                           0.01
##   Public administration                                0.01
##   Retail trade                                         0.09
##   Social services                                      0.01
##   Transportation                                       0.01
##   Utilities and sanitary services                      0.00
##   Wholesale trade                                      0.01
prop.table(table(major_industry_code,citizenship))*100
##                                      citizenship
## major_industry_code                   Foreign born- Not a citizen of U S
##   Agriculture                                                       0.16
##   Armed Forces                                                      0.00
##   Business and repair services                                      0.24
##   Communications                                                    0.02
##   Construction                                                      0.27
##   Education                                                         0.21
##   Entertainment                                                     0.09
##   Finance insurance and real estate                                 0.14
##   Forestry and fisheries                                            0.01
##   Hospital services                                                 0.13
##   Manufacturing-durable goods                                       0.41
##   Manufacturing-nondurable goods                                    0.42
##   Medical except hospital                                           0.19
##   Mining                                                            0.00
##   Not in universe or children                                       2.79
##   Other professional services                                       0.05
##   Personal services except private HH                               0.24
##   Private household services                                        0.12
##   Public administration                                             0.05
##   Retail trade                                                      0.77
##   Social services                                                   0.07
##   Transportation                                                    0.22
##   Utilities and sanitary services                                   0.03
##   Wholesale trade                                                   0.12
##                                      citizenship
## major_industry_code                   Foreign born- U S citizen by naturalization
##   Agriculture                                                                0.03
##   Armed Forces                                                               0.00
##   Business and repair services                                               0.05
##   Communications                                                             0.03
##   Construction                                                               0.10
##   Education                                                                  0.11
##   Entertainment                                                              0.02
##   Finance insurance and real estate                                          0.19
##   Forestry and fisheries                                                     0.00
##   Hospital services                                                          0.14
##   Manufacturing-durable goods                                                0.26
##   Manufacturing-nondurable goods                                             0.18
##   Medical except hospital                                                    0.10
##   Mining                                                                     0.00
##   Not in universe or children                                                1.05
##   Other professional services                                                0.08
##   Personal services except private HH                                        0.05
##   Private household services                                                 0.06
##   Public administration                                                      0.07
##   Retail trade                                                               0.25
##   Social services                                                            0.04
##   Transportation                                                             0.09
##   Utilities and sanitary services                                            0.02
##   Wholesale trade                                                            0.06
##                                      citizenship
## major_industry_code                   Native- Born abroad of American Parent(s)
##   Agriculture                                                              0.01
##   Armed Forces                                                             0.00
##   Business and repair services                                             0.04
##   Communications                                                           0.01
##   Construction                                                             0.04
##   Education                                                                0.04
##   Entertainment                                                            0.01
##   Finance insurance and real estate                                        0.06
##   Forestry and fisheries                                                   0.00
##   Hospital services                                                        0.02
##   Manufacturing-durable goods                                              0.01
##   Manufacturing-nondurable goods                                           0.06
##   Medical except hospital                                                  0.01
##   Mining                                                                   0.00
##   Not in universe or children                                              0.35
##   Other professional services                                              0.02
##   Personal services except private HH                                      0.01
##   Private household services                                               0.00
##   Public administration                                                    0.02
##   Retail trade                                                             0.12
##   Social services                                                          0.00
##   Transportation                                                           0.03
##   Utilities and sanitary services                                          0.00
##   Wholesale trade                                                          0.02
##                                      citizenship
## major_industry_code                   Native- Born in Puerto Rico or U S Outlying
##   Agriculture                                                                0.00
##   Armed Forces                                                               0.00
##   Business and repair services                                               0.02
##   Communications                                                             0.00
##   Construction                                                               0.02
##   Education                                                                  0.03
##   Entertainment                                                              0.00
##   Finance insurance and real estate                                          0.03
##   Forestry and fisheries                                                     0.00
##   Hospital services                                                          0.02
##   Manufacturing-durable goods                                                0.04
##   Manufacturing-nondurable goods                                             0.01
##   Medical except hospital                                                    0.01
##   Mining                                                                     0.00
##   Not in universe or children                                                0.36
##   Other professional services                                                0.00
##   Personal services except private HH                                        0.00
##   Private household services                                                 0.00
##   Public administration                                                      0.00
##   Retail trade                                                               0.08
##   Social services                                                            0.01
##   Transportation                                                             0.01
##   Utilities and sanitary services                                            0.00
##   Wholesale trade                                                            0.02
##                                      citizenship
## major_industry_code                   Native- Born in the United States
##   Agriculture                                                      1.34
##   Armed Forces                                                     0.02
##   Business and repair services                                     2.33
##   Communications                                                   0.49
##   Construction                                                     2.65
##   Education                                                        4.12
##   Entertainment                                                    0.78
##   Finance insurance and real estate                                2.89
##   Forestry and fisheries                                           0.07
##   Hospital services                                                1.56
##   Manufacturing-durable goods                                      3.79
##   Manufacturing-nondurable goods                                   3.18
##   Medical except hospital                                          2.15
##   Mining                                                           0.25
##   Not in universe or children                                     44.43
##   Other professional services                                      2.03
##   Personal services except private HH                              1.17
##   Private household services                                       0.41
##   Public administration                                            2.21
##   Retail trade                                                     7.69
##   Social services                                                  1.13
##   Transportation                                                   1.83
##   Utilities and sanitary services                                  0.51
##   Wholesale trade                                                  1.70
prop.table(table(country_self,income_level))*100
##                               income_level
## country_self                        -50000       50000
##   Cambodia                      0.06093226  0.00000000
##   Canada                        0.17264141  0.04062151
##   China                         0.28435056  0.01015538
##   Columbia                      0.20310755  0.00000000
##   Cuba                          0.44683660  0.02031075
##   Dominican-Republic            0.38590434  0.01015538
##   Ecuador                       0.13201990  0.00000000
##   El-Salvador                   0.33512745  0.00000000
##   England                       0.24372905  0.06093226
##   France                        0.05077689  0.00000000
##   Germany                       0.44683660  0.07108764
##   Greece                        0.10155377  0.01015538
##   Guatemala                     0.12186453  0.00000000
##   Haiti                         0.15233066  0.01015538
##   Holand-Netherlands            0.01015538  0.01015538
##   Honduras                      0.11170915  0.00000000
##   Hong Kong                     0.05077689  0.00000000
##   Hungary                       0.04062151  0.02031075
##   India                         0.16248604  0.01015538
##   Iran                          0.04062151  0.02031075
##   Ireland                       0.09139840  0.01015538
##   Italy                         0.24372905  0.01015538
##   Jamaica                       0.17264141  0.00000000
##   Japan                         0.08124302  0.03046613
##   Laos                          0.04062151  0.00000000
##   Mexico                        2.74195186  0.08124302
##   Nicaragua                     0.16248604  0.01015538
##   Outlying-U S (Guam USVI etc)  0.04062151  0.00000000
##   Panama                        0.03046613  0.00000000
##   Peru                          0.11170915  0.00000000
##   Philippines                   0.38590434  0.05077689
##   Poland                        0.30466132  0.01015538
##   Portugal                      0.07108764  0.01015538
##   Puerto-Rico                   0.60932264  0.02031075
##   Scotland                      0.05077689  0.00000000
##   South Korea                   0.16248604  0.01015538
##   Taiwan                        0.07108764  0.04062151
##   Thailand                      0.05077689  0.02031075
##   Trinadad&Tobago               0.05077689  0.00000000
##   United-States                84.86848786  5.24017467
##   Vietnam                       0.21326292  0.03046613
##   Yugoslavia                    0.02031075  0.00000000
prop.table(table(citizenship,income_level))*100
##                                              income_level
## citizenship                                   -50000 50000
##   Foreign born- Not a citizen of U S            6.39  0.36
##   Foreign born- U S citizen by naturalization   2.70  0.28
##   Native- Born abroad of American Parent(s)     0.83  0.05
##   Native- Born in Puerto Rico or U S Outlying   0.64  0.02
##   Native- Born in the United States            83.57  5.16
prop.table(table(major_industry_code,sex))*100
##                                      sex
## major_industry_code                   Female  Male
##   Agriculture                           0.39  1.15
##   Armed Forces                          0.00  0.02
##   Business and repair services          1.01  1.67
##   Communications                        0.24  0.31
##   Construction                          0.34  2.74
##   Education                             3.16  1.35
##   Entertainment                         0.46  0.44
##   Finance insurance and real estate     2.01  1.30
##   Forestry and fisheries                0.00  0.08
##   Hospital services                     1.43  0.44
##   Manufacturing-durable goods           1.25  3.26
##   Manufacturing-nondurable goods        1.71  2.14
##   Medical except hospital               2.03  0.43
##   Mining                                0.02  0.23
##   Not in universe or children          28.18 20.80
##   Other professional services           1.19  0.99
##   Personal services except private HH   0.98  0.49
##   Private household services            0.53  0.06
##   Public administration                 1.06  1.29
##   Retail trade                          4.61  4.30
##   Social services                       1.05  0.20
##   Transportation                        0.70  1.48
##   Utilities and sanitary services       0.08  0.48
##   Wholesale trade                       0.69  1.23
prop.table(table(marital_status,income_level))*100
##                                  income_level
## marital_status                    -50000 50000
##   Divorced                          6.02  0.51
##   Married-A F spouse present        0.28  0.00
##   Married-civilian spouse present  38.11  4.63
##   Married-spouse absent             0.78  0.02
##   Never married                    42.60  0.47
##   Separated                         1.42  0.06
##   Widowed                           4.92  0.18
prop.table(table(member_of_labor_union,income_level))*100
##                      income_level
## member_of_labor_union -50000 50000
##       No                7.77  0.80
##       Not in universe  85.05  4.91
##       Yes               1.31  0.16
prop.table(table(race,sex))*100
##                              sex
## race                          Female  Male
##   Amer Indian Aleut or Eskimo   0.66  0.52
##   Asian or Pacific Islander     1.63  1.46
##   Black                         5.80  4.47
##   Other                         0.96  0.87
##   White                        44.07 39.56
prop.table(table(race,country_self))*100
##                              country_self
## race                             Cambodia      Canada       China
##   Amer Indian Aleut or Eskimo  0.00000000  0.00000000  0.00000000
##   Asian or Pacific Islander    0.05077689  0.00000000  0.29450594
##   Black                        0.00000000  0.01015538  0.00000000
##   Other                        0.00000000  0.00000000  0.00000000
##   White                        0.01015538  0.20310755  0.00000000
##                              country_self
## race                             Columbia        Cuba Dominican-Republic
##   Amer Indian Aleut or Eskimo  0.00000000  0.00000000         0.00000000
##   Asian or Pacific Islander    0.00000000  0.00000000         0.00000000
##   Black                        0.00000000  0.00000000         0.02031075
##   Other                        0.00000000  0.02031075         0.09139840
##   White                        0.20310755  0.44683660         0.28435056
##                              country_self
## race                              Ecuador El-Salvador     England
##   Amer Indian Aleut or Eskimo  0.00000000  0.00000000  0.00000000
##   Asian or Pacific Islander    0.00000000  0.00000000  0.00000000
##   Black                        0.00000000  0.01015538  0.00000000
##   Other                        0.05077689  0.02031075  0.00000000
##   White                        0.08124302  0.30466132  0.30466132
##                              country_self
## race                               France     Germany      Greece
##   Amer Indian Aleut or Eskimo  0.00000000  0.00000000  0.00000000
##   Asian or Pacific Islander    0.00000000  0.01015538  0.00000000
##   Black                        0.00000000  0.02031075  0.00000000
##   Other                        0.00000000  0.01015538  0.00000000
##   White                        0.05077689  0.47730273  0.11170915
##                              country_self
## race                            Guatemala       Haiti Holand-Netherlands
##   Amer Indian Aleut or Eskimo  0.00000000  0.00000000         0.00000000
##   Asian or Pacific Islander    0.00000000  0.00000000         0.00000000
##   Black                        0.00000000  0.16248604         0.00000000
##   Other                        0.02031075  0.00000000         0.00000000
##   White                        0.10155377  0.00000000         0.02031075
##                              country_self
## race                             Honduras   Hong Kong     Hungary
##   Amer Indian Aleut or Eskimo  0.00000000  0.00000000  0.00000000
##   Asian or Pacific Islander    0.00000000  0.04062151  0.00000000
##   Black                        0.00000000  0.00000000  0.00000000
##   Other                        0.03046613  0.00000000  0.00000000
##   White                        0.08124302  0.01015538  0.06093226
##                              country_self
## race                                India        Iran     Ireland
##   Amer Indian Aleut or Eskimo  0.00000000  0.00000000  0.00000000
##   Asian or Pacific Islander    0.14217528  0.01015538  0.00000000
##   Black                        0.00000000  0.00000000  0.00000000
##   Other                        0.01015538  0.01015538  0.00000000
##   White                        0.02031075  0.04062151  0.10155377
##                              country_self
## race                                Italy     Jamaica       Japan
##   Amer Indian Aleut or Eskimo  0.00000000  0.00000000  0.00000000
##   Asian or Pacific Islander    0.00000000  0.01015538  0.08124302
##   Black                        0.01015538  0.14217528  0.00000000
##   Other                        0.00000000  0.01015538  0.00000000
##   White                        0.24372905  0.01015538  0.03046613
##                              country_self
## race                                 Laos      Mexico   Nicaragua
##   Amer Indian Aleut or Eskimo  0.00000000  0.00000000  0.00000000
##   Asian or Pacific Islander    0.04062151  0.00000000  0.00000000
##   Black                        0.00000000  0.00000000  0.01015538
##   Other                        0.00000000  0.43668122  0.00000000
##   White                        0.00000000  2.38651366  0.16248604
##                              country_self
## race                          Outlying-U S (Guam USVI etc)      Panama
##   Amer Indian Aleut or Eskimo                   0.00000000  0.00000000
##   Asian or Pacific Islander                     0.04062151  0.00000000
##   Black                                         0.00000000  0.00000000
##   Other                                         0.00000000  0.00000000
##   White                                         0.00000000  0.03046613
##                              country_self
## race                                 Peru Philippines      Poland
##   Amer Indian Aleut or Eskimo  0.00000000  0.00000000  0.00000000
##   Asian or Pacific Islander    0.00000000  0.39605971  0.00000000
##   Black                        0.00000000  0.00000000  0.00000000
##   Other                        0.02031075  0.00000000  0.00000000
##   White                        0.09139840  0.04062151  0.31481670
##                              country_self
## race                             Portugal Puerto-Rico    Scotland
##   Amer Indian Aleut or Eskimo  0.00000000  0.00000000  0.00000000
##   Asian or Pacific Islander    0.00000000  0.01015538  0.00000000
##   Black                        0.00000000  0.00000000  0.00000000
##   Other                        0.00000000  0.06093226  0.00000000
##   White                        0.08124302  0.55854575  0.05077689
##                              country_self
## race                          South Korea      Taiwan    Thailand
##   Amer Indian Aleut or Eskimo  0.00000000  0.00000000  0.00000000
##   Asian or Pacific Islander    0.17264141  0.11170915  0.07108764
##   Black                        0.00000000  0.00000000  0.00000000
##   Other                        0.00000000  0.00000000  0.00000000
##   White                        0.00000000  0.00000000  0.00000000
##                              country_self
## race                          Trinadad&Tobago United-States     Vietnam
##   Amer Indian Aleut or Eskimo      0.00000000    1.19833452  0.00000000
##   Asian or Pacific Islander        0.00000000    1.19833452  0.24372905
##   Black                            0.03046613    9.79993907  0.00000000
##   Other                            0.01015538    0.98507160  0.00000000
##   White                            0.01015538   76.92698284  0.00000000
##                              country_self
## race                           Yugoslavia
##   Amer Indian Aleut or Eskimo  0.00000000
##   Asian or Pacific Islander    0.00000000
##   Black                        0.00000000
##   Other                        0.00000000
##   White                        0.02031075
prop.table(table(race,citizenship))*100
##                              citizenship
## race                          Foreign born- Not a citizen of U S
##   Amer Indian Aleut or Eskimo                               0.00
##   Asian or Pacific Islander                                 1.20
##   Black                                                     0.39
##   Other                                                     0.66
##   White                                                     4.50
##                              citizenship
## race                          Foreign born- U S citizen by naturalization
##   Amer Indian Aleut or Eskimo                                        0.00
##   Asian or Pacific Islander                                          0.58
##   Black                                                              0.16
##   Other                                                              0.11
##   White                                                              2.13
##                              citizenship
## race                          Native- Born abroad of American Parent(s)
##   Amer Indian Aleut or Eskimo                                      0.00
##   Asian or Pacific Islander                                        0.08
##   Black                                                            0.07
##   Other                                                            0.03
##   White                                                            0.70
##                              citizenship
## race                          Native- Born in Puerto Rico or U S Outlying
##   Amer Indian Aleut or Eskimo                                        0.00
##   Asian or Pacific Islander                                          0.05
##   Black                                                              0.00
##   Other                                                              0.06
##   White                                                              0.55
##                              citizenship
## race                          Native- Born in the United States
##   Amer Indian Aleut or Eskimo                              1.18
##   Asian or Pacific Islander                                1.18
##   Black                                                    9.65
##   Other                                                    0.97
##   White                                                   75.75
prop.table(table(race,citizenship))*100
##                              citizenship
## race                          Foreign born- Not a citizen of U S
##   Amer Indian Aleut or Eskimo                               0.00
##   Asian or Pacific Islander                                 1.20
##   Black                                                     0.39
##   Other                                                     0.66
##   White                                                     4.50
##                              citizenship
## race                          Foreign born- U S citizen by naturalization
##   Amer Indian Aleut or Eskimo                                        0.00
##   Asian or Pacific Islander                                          0.58
##   Black                                                              0.16
##   Other                                                              0.11
##   White                                                              2.13
##                              citizenship
## race                          Native- Born abroad of American Parent(s)
##   Amer Indian Aleut or Eskimo                                      0.00
##   Asian or Pacific Islander                                        0.08
##   Black                                                            0.07
##   Other                                                            0.03
##   White                                                            0.70
##                              citizenship
## race                          Native- Born in Puerto Rico or U S Outlying
##   Amer Indian Aleut or Eskimo                                        0.00
##   Asian or Pacific Islander                                          0.05
##   Black                                                              0.00
##   Other                                                              0.06
##   White                                                              0.55
##                              citizenship
## race                          Native- Born in the United States
##   Amer Indian Aleut or Eskimo                              1.18
##   Asian or Pacific Islander                                1.18
##   Black                                                    9.65
##   Other                                                    0.97
##   White                                                   75.75
prop.table(table(race,income_level))*100
##                              income_level
## race                          -50000 50000
##   Amer Indian Aleut or Eskimo   1.13  0.05
##   Asian or Pacific Islander     2.86  0.23
##   Black                        10.02  0.25
##   Other                         1.78  0.05
##   White                        78.34  5.29
prop.table(table(race,income_level))*100
##                              income_level
## race                          -50000 50000
##   Amer Indian Aleut or Eskimo   1.13  0.05
##   Asian or Pacific Islander     2.86  0.23
##   Black                        10.02  0.25
##   Other                         1.78  0.05
##   White                        78.34  5.29
prop.table(table(hispanic_origin,income_level))*100
##                            income_level
## hispanic_origin                  -50000       50000
##   All other                 81.41237837  5.57728960
##   Central or South American  1.93600160  0.02006219
##   Chicano                    0.12037316  0.00000000
##   Cuban                      0.59183469  0.02006219
##   Do not know                0.16049754  0.00000000
##   Mexican-American           3.90209650  0.12037316
##   Mexican (Mexicano)         3.58110141  0.05015548
##   Other Spanish              1.00310964  0.06018658
##   Puerto Rican               1.41438459  0.03009329
prop.table(table(race=="White"))*100
## 
## FALSE  TRUE 
## 16.37 83.63
prop.table(table(sex,income_level))*100
##         income_level
## sex      -50000 50000
##   Female  52.00  1.12
##   Male    42.13  4.75
prop.table(table(sex,tax_filer_status))*100
##         tax_filer_status
## sex      Head of household Joint both 65+ Joint both under 65
##   Female              3.10           1.94               17.85
##   Male                0.78           2.03               16.93
##         tax_filer_status
## sex      Joint one under 65 & one 65+ Nonfiler Single
##   Female                         0.85    20.05   9.33
##   Male                           0.88    16.71   9.55
prop.table(table(member_of_labor_union,citizenship))*100
##                      citizenship
## member_of_labor_union Foreign born- Not a citizen of U S
##       No                                            0.57
##       Not in universe                               6.11
##       Yes                                           0.07
##                      citizenship
## member_of_labor_union Foreign born- U S citizen by naturalization
##       No                                                     0.28
##       Not in universe                                        2.60
##       Yes                                                    0.10
##                      citizenship
## member_of_labor_union Native- Born abroad of American Parent(s)
##       No                                                   0.05
##       Not in universe                                      0.82
##       Yes                                                  0.01
##                      citizenship
## member_of_labor_union Native- Born in Puerto Rico or U S Outlying
##       No                                                     0.02
##       Not in universe                                        0.63
##       Yes                                                    0.01
##                      citizenship
## member_of_labor_union Native- Born in the United States
##       No                                           7.65
##       Not in universe                             79.80
##       Yes                                          1.28