Ejercicio 1. Modelo Econométrico

Good to great

Si considero que se debe buscar tratar de mejor aun y cuando estes haciendo las cosas bien, el mundo esta en constante cambio y si no te puedes adaptar va a ser todo lo contrario a bien. # Cargar librerías

#install.packages("WDI")
library(WDI)
#install.packages("wbstats")
library(wbstats)
#install.packages("tidyverse")
library(tidyverse)
#install.packages("plm") # Paquete para realizar modelos lineales para datos de panel
library(plm)
#install.packages("gplots")
library(gplots)
# install.packages("readxl")
library(readxl)
# install.packages("lmtest")
library(lmtest)

Paso 1. Generan conjunto de Datos de Panel

# Obtenr información de varios países 
gdp <- wb_data(country=c("MX","US","CA"), indicator=c("NY.GDP.PCAP.CD","SM.POP.NETM"), start_date=1950, end_date=2025)

# Generar conjunto de datos de panel
panel_1 <- select(gdp, country, date, NY.GDP.PCAP.CD, SM.POP.NETM)
panel_2 <- subset(panel_1, date== 1960 | date == 1970 | date == 1980 | date == 1990 | date == 2000 | date == 2010 | date == 2020)
panel_1 <- pdata.frame(panel_1, index = c("country", "date"))

Paso 2. Prueba de Heterogeneidad

plotmeans(`NY.GDP.PCAP.CD` ~ country, 
          main = "Prueba de heterogeneidad entre países para el PIB",
          data = panel_1)

# Modelo 1. Regresión agrupada (pooled)
pooled <- plm(NY.GDP.PCAP.CD ~ SM.POP.NETM, data = panel_1, model="pooling")
summary(pooled)
## Pooling Model
## 
## Call:
## plm(formula = NY.GDP.PCAP.CD ~ SM.POP.NETM, data = panel_1, model = "pooling")
## 
## Balanced Panel: n = 3, T = 65, N = 195
## 
## Residuals:
##      Min.   1st Qu.    Median   3rd Qu.      Max. 
## -25773.31  -9718.04   -722.86   4194.39  44495.44 
## 
## Coefficients:
##               Estimate Std. Error t-value  Pr(>|t|)    
## (Intercept) 1.2394e+04 1.2015e+03  10.315 < 2.2e-16 ***
## SM.POP.NETM 2.2781e-02 1.8087e-03  12.596 < 2.2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Total Sum of Squares:    7.6255e+10
## Residual Sum of Squares: 4.1852e+10
## R-Squared:      0.45116
## Adj. R-Squared: 0.44831
## F-statistic: 158.649 on 1 and 193 DF, p-value: < 2.22e-16
# Modelo 2. Efectos Fijos (within)
# Cuando las diferencias no observadas son constantes en el tiempo 
within <- plm(NY.GDP.PCAP.CD ~ SM.POP.NETM, data = panel_1, model="within")
summary(within)
## Oneway (individual) effect Within Model
## 
## Call:
## plm(formula = NY.GDP.PCAP.CD ~ SM.POP.NETM, data = panel_1, model = "within")
## 
## Balanced Panel: n = 3, T = 65, N = 195
## 
## Residuals:
##     Min.  1st Qu.   Median  3rd Qu.     Max. 
## -24585.3  -8566.5  -1457.9   4442.4  61433.0 
## 
## Coefficients:
##             Estimate Std. Error t-value  Pr(>|t|)    
## SM.POP.NETM 0.039755   0.003437  11.567 < 2.2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Total Sum of Squares:    5.4746e+10
## Residual Sum of Squares: 3.2194e+10
## R-Squared:      0.41193
## Adj. R-Squared: 0.4027
## F-statistic: 133.793 on 1 and 191 DF, p-value: < 2.22e-16
# Prueba
pFtest(within, pooled)
## 
##  F test for individual effects
## 
## data:  NY.GDP.PCAP.CD ~ SM.POP.NETM
## F = 28.649, df1 = 2, df2 = 191, p-value = 1.315e-11
## alternative hypothesis: significant effects
# Si p-value < 0.05 se prefiere el modelo de efectos fijos

# Modelo 3. Efectos aleatorios 
# Cuando las diferencias no observadas son aleatorias

# Método Walhus
walhus <-  plm(NY.GDP.PCAP.CD ~ SM.POP.NETM, data = panel_1, model="random", random.method = "walhus")
summary(walhus)
## Oneway (individual) effect Random Effect Model 
##    (Wallace-Hussain's transformation)
## 
## Call:
## plm(formula = NY.GDP.PCAP.CD ~ SM.POP.NETM, data = panel_1, model = "random", 
##     random.method = "walhus")
## 
## Balanced Panel: n = 3, T = 65, N = 195
## 
## Effects:
##                     var   std.dev share
## idiosyncratic 189090235     13751 0.881
## individual     25535033      5053 0.119
## theta: 0.6802
## 
## Residuals:
##     Min.  1st Qu.   Median  3rd Qu.     Max. 
## -22598.9  -8395.6  -1903.1   5148.2  53261.7 
## 
## Coefficients:
##               Estimate Std. Error z-value  Pr(>|z|)    
## (Intercept) 8.8597e+03 3.1427e+03  2.8192  0.004815 ** 
## SM.POP.NETM 3.3881e-02 3.0190e-03 11.2224 < 2.2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Total Sum of Squares:    5.6945e+10
## Residual Sum of Squares: 3.4459e+10
## R-Squared:      0.39487
## Adj. R-Squared: 0.39174
## Chisq: 125.942 on 1 DF, p-value: < 2.22e-16
# Metodo amemiya
amemiya <-  plm(NY.GDP.PCAP.CD ~ SM.POP.NETM, data = panel_1, model="random", random.method = "amemiya")
summary(amemiya)
## Oneway (individual) effect Random Effect Model 
##    (Amemiya's transformation)
## 
## Call:
## plm(formula = NY.GDP.PCAP.CD ~ SM.POP.NETM, data = panel_1, model = "random", 
##     random.method = "amemiya")
## 
## Balanced Panel: n = 3, T = 65, N = 195
## 
## Effects:
##                     var   std.dev share
## idiosyncratic 167677524     12949 0.536
## individual    144897816     12037 0.464
## theta: 0.8677
## 
## Residuals:
##     Min.  1st Qu.   Median  3rd Qu.     Max. 
## -23174.0  -8660.7  -1786.9   4997.4  58405.0 
## 
## Coefficients:
##               Estimate Std. Error z-value Pr(>|z|)    
## (Intercept) 7.4022e+03 7.1246e+03   1.039   0.2988    
## SM.POP.NETM 3.8459e-02 3.3396e-03  11.516   <2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Total Sum of Squares:    5.5122e+10
## Residual Sum of Squares: 3.2672e+10
## R-Squared:      0.40728
## Adj. R-Squared: 0.40421
## Chisq: 132.62 on 1 DF, p-value: < 2.22e-16
# Metodo nerlove
nerlove <-  plm(NY.GDP.PCAP.CD ~ SM.POP.NETM, data = panel_1, model="random", random.method = "nerlove")
summary(nerlove)
## Oneway (individual) effect Random Effect Model 
##    (Nerlove's transformation)
## 
## Call:
## plm(formula = NY.GDP.PCAP.CD ~ SM.POP.NETM, data = panel_1, model = "random", 
##     random.method = "nerlove")
## 
## Balanced Panel: n = 3, T = 65, N = 195
## 
## Effects:
##                     var   std.dev share
## idiosyncratic 165097870     12849 0.427
## individual    221216206     14873 0.573
## theta: 0.8935
## 
## Residuals:
##     Min.  1st Qu.   Median  3rd Qu.     Max. 
## -23465.1  -8634.0  -1413.4   4866.4  59087.2 
## 
## Coefficients:
##               Estimate Std. Error z-value Pr(>|z|)    
## (Intercept) 7.2630e+03 8.7890e+03  0.8264   0.4086    
## SM.POP.NETM 3.8896e-02 3.3669e-03 11.5524   <2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Total Sum of Squares:    5.499e+10
## Residual Sum of Squares: 3.251e+10
## R-Squared:      0.40881
## Adj. R-Squared: 0.40574
## Chisq: 133.459 on 1 DF, p-value: < 2.22e-16
# Comparar la R^2 ajustada de los 3 métodos y elegir el que tenga el mayor.

phtest(walhus, within)
## 
##  Hausman Test
## 
## data:  NY.GDP.PCAP.CD ~ SM.POP.NETM
## chisq = 12.79, df = 1, p-value = 0.0003485
## alternative hypothesis: one model is inconsistent
# Si el p-value es < 0.05, usamos Efectos Fijos (within)

Ejercicio 3. Panel en Equipos

# Obtener información de varios países 
gdp <- wb_data(country=c("AFG","ARG","MX"), indicator=c("SP.DYN.IMRT.IN","NE.EXP.GNFS.ZS"), start_date=1950, end_date=2025)

# Generar conjunto de datos de panel
panel_1 <- select(gdp, country, date, SP.DYN.IMRT.IN, NE.EXP.GNFS.ZS)
panel_2 <- subset(panel_1, date== 1960 | date == 1970 | date == 1980 | date == 1990 | date == 2000 | date == 2010 | date == 2020)
panel_1 <- pdata.frame(panel_1, index = c("country", "date"))
plotmeans(`SP.DYN.IMRT.IN` ~ country, 
          main = "Prueba de heterogeneidad entre países para dueda externa",
          data = panel_1)

## Paso 2. Ejercicio 3. Prueba de Heterogeneidad

# Modelo 1. Regresión agrupada (pooled)
pooled <- plm(SP.DYN.IMRT.IN ~ NE.EXP.GNFS.ZS, data = panel_1, model="pooling")
summary(pooled)
## Pooling Model
## 
## Call:
## plm(formula = SP.DYN.IMRT.IN ~ NE.EXP.GNFS.ZS, data = panel_1, 
##     model = "pooling")
## 
## Unbalanced Panel: n = 3, T = 4-64, N = 123
## 
## Residuals:
##      Min.   1st Qu.    Median   3rd Qu.      Max. 
## -34.49982 -17.87668   0.50125  11.56466  57.38111 
## 
## Coefficients:
##                Estimate Std. Error t-value  Pr(>|t|)    
## (Intercept)    61.13671    3.86505 15.8178 < 2.2e-16 ***
## NE.EXP.GNFS.ZS -1.55403    0.20574 -7.5533 8.911e-12 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Total Sum of Squares:    80821
## Residual Sum of Squares: 54924
## R-Squared:      0.32043
## Adj. R-Squared: 0.31481
## F-statistic: 57.0526 on 1 and 121 DF, p-value: 8.9112e-12
# Modelo 2. Efectos Fijos (within)
# Cuando las diferencias no observadas son constantes en el tiempo 
within <- plm(SP.DYN.IMRT.IN ~ NE.EXP.GNFS.ZS, data = panel_1, model="within")
summary(within)
## Oneway (individual) effect Within Model
## 
## Call:
## plm(formula = SP.DYN.IMRT.IN ~ NE.EXP.GNFS.ZS, data = panel_1, 
##     model = "within")
## 
## Unbalanced Panel: n = 3, T = 4-64, N = 123
## 
## Residuals:
##     Min.  1st Qu.   Median  3rd Qu.     Max. 
## -29.8324 -10.0982  -3.1939  10.1605  35.5304 
## 
## Coefficients:
##                Estimate Std. Error t-value  Pr(>|t|)    
## NE.EXP.GNFS.ZS -2.27706    0.13957 -16.315 < 2.2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Total Sum of Squares:    68478
## Residual Sum of Squares: 21157
## R-Squared:      0.69105
## Adj. R-Squared: 0.68326
## F-statistic: 266.173 on 1 and 119 DF, p-value: < 2.22e-16
# Prueba
pFtest(within, pooled)
## 
##  F test for individual effects
## 
## data:  SP.DYN.IMRT.IN ~ NE.EXP.GNFS.ZS
## F = 94.966, df1 = 2, df2 = 119, p-value < 2.2e-16
## alternative hypothesis: significant effects
# Si p-value < 0.05 se prefiere el modelo de efectos fijos

# Modelo 3. Efectos aleatorios 
# Cuando las diferencias no observadas son aleatorias

# Método Walhus
walhus <-  plm(SP.DYN.IMRT.IN ~ NE.EXP.GNFS.ZS, data = panel_1, model="random", random.method = "walhus")
summary(walhus)
## Oneway (individual) effect Random Effect Model 
##    (Wallace-Hussain's transformation)
## 
## Call:
## plm(formula = SP.DYN.IMRT.IN ~ NE.EXP.GNFS.ZS, data = panel_1, 
##     model = "random", random.method = "walhus")
## 
## Unbalanced Panel: n = 3, T = 4-64, N = 123
## 
## Effects:
##                  var std.dev share
## idiosyncratic 180.66   13.44 0.235
## individual    588.48   24.26 0.765
## theta:
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##  0.7330  0.9255  0.9309  0.9221  0.9309  0.9309 
## 
## Residuals:
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
## -28.903  -9.993  -2.827  -0.209  10.259  36.472 
## 
## Coefficients:
##                Estimate Std. Error  z-value  Pr(>|z|)    
## (Intercept)    76.08400   14.22103   5.3501  8.79e-08 ***
## NE.EXP.GNFS.ZS -2.27300    0.13916 -16.3341 < 2.2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Total Sum of Squares:    69043
## Residual Sum of Squares: 21404
## R-Squared:      0.69006
## Adj. R-Squared: 0.6875
## Chisq: 266.804 on 1 DF, p-value: < 2.22e-16
# Metodo amemiya
amemiya <-  plm(SP.DYN.IMRT.IN ~ NE.EXP.GNFS.ZS, data = panel_1, model="random", random.method = "amemiya")
summary(amemiya)
## Oneway (individual) effect Random Effect Model 
##    (Amemiya's transformation)
## 
## Call:
## plm(formula = SP.DYN.IMRT.IN ~ NE.EXP.GNFS.ZS, data = panel_1, 
##     model = "random", random.method = "amemiya")
## 
## Unbalanced Panel: n = 3, T = 4-64, N = 123
## 
## Effects:
##                  var std.dev share
## idiosyncratic 177.79   13.33 0.229
## individual    600.02   24.50 0.771
## theta:
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##  0.7374  0.9268  0.9321  0.9234  0.9321  0.9321 
## 
## Residuals:
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
## -28.920 -10.006  -2.843  -0.206  10.267  36.455 
## 
## Coefficients:
##                Estimate Std. Error  z-value  Pr(>|z|)    
## (Intercept)    76.09401   14.45995   5.2624 1.422e-07 ***
## NE.EXP.GNFS.ZS -2.27314    0.13913 -16.3381 < 2.2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Total Sum of Squares:    69025
## Residual Sum of Squares: 21396
## R-Squared:      0.6901
## Adj. R-Squared: 0.68754
## Chisq: 266.935 on 1 DF, p-value: < 2.22e-16
# Metodo nerlove
nerlove <-  plm(SP.DYN.IMRT.IN ~ NE.EXP.GNFS.ZS, data = panel_1, model="random", random.method = "nerlove")
summary(nerlove)
## Oneway (individual) effect Random Effect Model 
##    (Nerlove's transformation)
## 
## Call:
## plm(formula = SP.DYN.IMRT.IN ~ NE.EXP.GNFS.ZS, data = panel_1, 
##     model = "random", random.method = "nerlove")
## 
## Unbalanced Panel: n = 3, T = 4-64, N = 123
## 
## Effects:
##                  var std.dev share
## idiosyncratic 172.00   13.12 0.264
## individual    480.16   21.91 0.736
## theta:
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
##  0.7133  0.9196  0.9254  0.9159  0.9254  0.9254 
## 
## Residuals:
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
## -28.823 -10.023  -2.752  -0.223  10.219  36.554 
## 
## Coefficients:
##                Estimate Std. Error  z-value Pr(>|z|)    
## (Intercept)    76.03644   13.23131   5.7467  9.1e-09 ***
## NE.EXP.GNFS.ZS -2.27233    0.13928 -16.3150  < 2e-16 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Total Sum of Squares:    69128
## Residual Sum of Squares: 21445
## R-Squared:      0.68987
## Adj. R-Squared: 0.68731
## Chisq: 266.18 on 1 DF, p-value: < 2.22e-16
# Comparar la R^2 ajustada de los 3 métodos y elegir el que tenga el mayor.

phtest(walhus, within)
## 
##  Hausman Test
## 
## data:  SP.DYN.IMRT.IN ~ NE.EXP.GNFS.ZS
## chisq = 0.14309, df = 1, p-value = 0.7052
## alternative hypothesis: one model is inconsistent
# Si el p-value es < 0.05, usamos Efectos Fijos (within)

Aplicacion de Shiny

Aplicacion de Shiny

Actividad 1. Patentes

Contexto

Importar base de datos

patentes <- read_excel("C:\\Users\\macha\\Downloads\\PATENT 3.xls")

Entender la base de datos

summary(patentes)
##      cusip            merger           employ            return       
##  Min.   :   800   Min.   :0.0000   Min.   :  0.085   Min.   :-73.022  
##  1st Qu.:368514   1st Qu.:0.0000   1st Qu.:  1.227   1st Qu.:  5.128  
##  Median :501116   Median :0.0000   Median :  3.842   Median :  7.585  
##  Mean   :514536   Mean   :0.0177   Mean   : 18.826   Mean   :  8.003  
##  3rd Qu.:754688   3rd Qu.:0.0000   3rd Qu.: 15.442   3rd Qu.: 10.501  
##  Max.   :878555   Max.   :1.0000   Max.   :506.531   Max.   : 48.675  
##                                    NA's   :21        NA's   :8        
##     patents         patentsg           stckpr              rnd           
##  Min.   :  0.0   Min.   :   0.00   Min.   :  0.1875   Min.   :   0.0000  
##  1st Qu.:  1.0   1st Qu.:   1.00   1st Qu.:  7.6250   1st Qu.:   0.6847  
##  Median :  3.0   Median :   4.00   Median : 16.5000   Median :   2.1456  
##  Mean   : 22.9   Mean   :  27.14   Mean   : 22.6270   Mean   :  29.3398  
##  3rd Qu.: 15.0   3rd Qu.:  19.00   3rd Qu.: 29.2500   3rd Qu.:  11.9168  
##  Max.   :906.0   Max.   :1063.00   Max.   :402.0000   Max.   :1719.3535  
##                                    NA's   :2                             
##     rndeflt             rndstck             sales               sic      
##  Min.   :   0.0000   Min.   :   0.125   Min.   :    1.22   Min.   :2000  
##  1st Qu.:   0.4788   1st Qu.:   5.152   1st Qu.:   52.99   1st Qu.:2890  
##  Median :   1.4764   Median :  13.353   Median :  174.06   Median :3531  
##  Mean   :  19.7238   Mean   : 163.823   Mean   : 1219.60   Mean   :3333  
##  3rd Qu.:   8.7527   3rd Qu.:  74.563   3rd Qu.:  728.96   3rd Qu.:3661  
##  Max.   :1000.7876   Max.   :9755.352   Max.   :44224.00   Max.   :9997  
##                      NA's   :157        NA's   :3                        
##       year     
##  Min.   :2012  
##  1st Qu.:2014  
##  Median :2016  
##  Mean   :2016  
##  3rd Qu.:2019  
##  Max.   :2021  
## 
str(patentes)
## tibble [2,260 × 13] (S3: tbl_df/tbl/data.frame)
##  $ cusip   : num [1:2260] 800 800 800 800 800 800 800 800 800 800 ...
##  $ merger  : num [1:2260] 0 0 0 0 0 0 0 0 0 0 ...
##  $ employ  : num [1:2260] 9.85 12.32 12.2 11.84 12.99 ...
##  $ return  : num [1:2260] 5.82 5.69 4.42 5.28 4.91 ...
##  $ patents : num [1:2260] 22 34 31 32 40 60 57 77 38 5 ...
##  $ patentsg: num [1:2260] 24 32 30 34 28 33 53 47 64 70 ...
##  $ stckpr  : num [1:2260] 47.6 57.9 33 38.5 35.1 ...
##  $ rnd     : num [1:2260] 2.56 3.1 3.27 3.24 3.78 ...
##  $ rndeflt : num [1:2260] 2.56 2.91 2.8 2.52 2.78 ...
##  $ rndstck : num [1:2260] 16.2 17.4 19.6 21.9 23.1 ...
##  $ sales   : num [1:2260] 344 436 535 567 631 ...
##  $ sic     : num [1:2260] 3740 3740 3740 3740 3740 3740 3740 3740 3740 3740 ...
##  $ year    : num [1:2260] 2012 2013 2014 2015 2016 ...
sum(is.na(patentes))
## [1] 191
sapply(patentes, function(x) sum (is.na(x))) #NA´s por variable
##    cusip   merger   employ   return  patents patentsg   stckpr      rnd 
##        0        0       21        8        0        0        2        0 
##  rndeflt  rndstck    sales      sic     year 
##        0      157        3        0        0
patentes$employ[is.na(patentes$employ)] <- mean(patentes$employ,
                                                na.rm=TRUE)

patentes$return[is.na(patentes$return)] <- mean(patentes$return,
                                                na.rm=TRUE)

patentes$stckpr[is.na(patentes$stckpr)] <- mean(patentes$stckpr,
                                                na.rm=TRUE)

patentes$rndstck[is.na(patentes$rndstck)] <- mean(patentes$rndstck,
                                                na.rm=TRUE)

patentes$sales[is.na(patentes$sales)] <- mean(patentes$sales,
                                                na.rm=TRUE)

summary(patentes)
##      cusip            merger           employ            return       
##  Min.   :   800   Min.   :0.0000   Min.   :  0.085   Min.   :-73.022  
##  1st Qu.:368514   1st Qu.:0.0000   1st Qu.:  1.242   1st Qu.:  5.139  
##  Median :501116   Median :0.0000   Median :  3.893   Median :  7.601  
##  Mean   :514536   Mean   :0.0177   Mean   : 18.826   Mean   :  8.003  
##  3rd Qu.:754688   3rd Qu.:0.0000   3rd Qu.: 16.034   3rd Qu.: 10.473  
##  Max.   :878555   Max.   :1.0000   Max.   :506.531   Max.   : 48.675  
##     patents         patentsg           stckpr              rnd           
##  Min.   :  0.0   Min.   :   0.00   Min.   :  0.1875   Min.   :   0.0000  
##  1st Qu.:  1.0   1st Qu.:   1.00   1st Qu.:  7.6250   1st Qu.:   0.6847  
##  Median :  3.0   Median :   4.00   Median : 16.5000   Median :   2.1456  
##  Mean   : 22.9   Mean   :  27.14   Mean   : 22.6270   Mean   :  29.3398  
##  3rd Qu.: 15.0   3rd Qu.:  19.00   3rd Qu.: 29.2500   3rd Qu.:  11.9168  
##  Max.   :906.0   Max.   :1063.00   Max.   :402.0000   Max.   :1719.3535  
##     rndeflt             rndstck             sales               sic      
##  Min.   :   0.0000   Min.   :   0.125   Min.   :    1.22   Min.   :2000  
##  1st Qu.:   0.4788   1st Qu.:   5.588   1st Qu.:   53.20   1st Qu.:2890  
##  Median :   1.4764   Median :  16.234   Median :  174.28   Median :3531  
##  Mean   :  19.7238   Mean   : 163.823   Mean   : 1219.60   Mean   :3333  
##  3rd Qu.:   8.7527   3rd Qu.: 119.105   3rd Qu.:  743.42   3rd Qu.:3661  
##  Max.   :1000.7876   Max.   :9755.352   Max.   :44224.00   Max.   :9997  
##       year     
##  Min.   :2012  
##  1st Qu.:2014  
##  Median :2016  
##  Mean   :2016  
##  3rd Qu.:2019  
##  Max.   :2021
sum(is.na(patentes)) # NA´s en la base de datos
## [1] 0
boxplot(patentes$cusip, horizontal=TRUE)

boxplot(patentes$merger, horizontal=TRUE)

boxplot(patentes$employ, horizontal=TRUE)

boxplot(patentes$return, horizontal=TRUE)

boxplot(patentes$patents, horizontal=TRUE)

boxplot(patentes$patentsg, horizontal=TRUE)

boxplot(patentes$stckpr, horizontal=TRUE)

boxplot(patentes$rnd, horizontal=TRUE)

boxplot(patentes$rndeflt, horizontal=TRUE)

boxplot(patentes$rndstck, horizontal=TRUE)

boxplot(patentes$sales, horizontal=TRUE)

boxplot(patentes$sic, horizontal=TRUE)

boxplot(patentes$year, horizontal=TRUE)

patentes$year <- patentes$year - 40
summary(patentes)
##      cusip            merger           employ            return       
##  Min.   :   800   Min.   :0.0000   Min.   :  0.085   Min.   :-73.022  
##  1st Qu.:368514   1st Qu.:0.0000   1st Qu.:  1.242   1st Qu.:  5.139  
##  Median :501116   Median :0.0000   Median :  3.893   Median :  7.601  
##  Mean   :514536   Mean   :0.0177   Mean   : 18.826   Mean   :  8.003  
##  3rd Qu.:754688   3rd Qu.:0.0000   3rd Qu.: 16.034   3rd Qu.: 10.473  
##  Max.   :878555   Max.   :1.0000   Max.   :506.531   Max.   : 48.675  
##     patents         patentsg           stckpr              rnd           
##  Min.   :  0.0   Min.   :   0.00   Min.   :  0.1875   Min.   :   0.0000  
##  1st Qu.:  1.0   1st Qu.:   1.00   1st Qu.:  7.6250   1st Qu.:   0.6847  
##  Median :  3.0   Median :   4.00   Median : 16.5000   Median :   2.1456  
##  Mean   : 22.9   Mean   :  27.14   Mean   : 22.6270   Mean   :  29.3398  
##  3rd Qu.: 15.0   3rd Qu.:  19.00   3rd Qu.: 29.2500   3rd Qu.:  11.9168  
##  Max.   :906.0   Max.   :1063.00   Max.   :402.0000   Max.   :1719.3535  
##     rndeflt             rndstck             sales               sic      
##  Min.   :   0.0000   Min.   :   0.125   Min.   :    1.22   Min.   :2000  
##  1st Qu.:   0.4788   1st Qu.:   5.588   1st Qu.:   53.20   1st Qu.:2890  
##  Median :   1.4764   Median :  16.234   Median :  174.28   Median :3531  
##  Mean   :  19.7238   Mean   : 163.823   Mean   : 1219.60   Mean   :3333  
##  3rd Qu.:   8.7527   3rd Qu.: 119.105   3rd Qu.:  743.42   3rd Qu.:3661  
##  Max.   :1000.7876   Max.   :9755.352   Max.   :44224.00   Max.   :9997  
##       year     
##  Min.   :1972  
##  1st Qu.:1974  
##  Median :1976  
##  Mean   :1976  
##  3rd Qu.:1979  
##  Max.   :1981

Paso 1. Generar conjunto de Datos de Panel

panel_patentes <- pdata.frame(patentes, index = c("cusip", "year"))

Paso 2. Prueba de Heterogeneidad

plotmeans(`patents` ~ cusip, 
          main = "Prueba de heterogeneidad entre empresas para su patentes",
          data = panel_patentes)

## Paso 3. Prueba de Efectos fijos y aleatorios

# Modelo 1. Regresión agrupada (pooled)
pooled_patentes <- plm(patents ~ merger + employ + return + stckpr + rnd + sales+ sic, data = panel_patentes, model="pooling")
summary(pooled_patentes)
## Pooling Model
## 
## Call:
## plm(formula = patents ~ merger + employ + return + stckpr + rnd + 
##     sales + sic, data = panel_patentes, model = "pooling")
## 
## Balanced Panel: n = 226, T = 10, N = 2260
## 
## Residuals:
##       Min.    1st Qu.     Median    3rd Qu.       Max. 
## -320.36212  -10.01555    0.94472    7.40861  433.86316 
## 
## Coefficients:
##                Estimate  Std. Error t-value  Pr(>|t|)    
## (Intercept) -4.1831e-01  5.2757e+00 -0.0793   0.93681    
## merger      -1.1612e+01  7.2433e+00 -1.6031   0.10905    
## employ       1.3683e+00  4.1969e-02 32.6040 < 2.2e-16 ***
## return      -4.3505e-03  1.8155e-01 -0.0240   0.98088    
## stckpr       6.5137e-01  4.3139e-02 15.0994 < 2.2e-16 ***
## rnd         -1.3853e-01  1.6106e-02 -8.6007 < 2.2e-16 ***
## sales       -3.2049e-03  4.6962e-04 -6.8246  1.13e-11 ***
## sic         -2.6894e-03  1.4820e-03 -1.8146   0.06972 .  
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Total Sum of Squares:    10998000
## Residual Sum of Squares: 4600300
## R-Squared:      0.58173
## Adj. R-Squared: 0.58043
## F-statistic: 447.437 on 7 and 2252 DF, p-value: < 2.22e-16
# Modelo 2. Efectos Fijos (within)
# Cuando las diferencias no observadas son constantes en el tiempo 
within_patentes <- plm(patents ~ merger + employ + return + stckpr + rnd + sales+ sic, data = panel_patentes, model="within")
summary(within_patentes)
## Oneway (individual) effect Within Model
## 
## Call:
## plm(formula = patents ~ merger + employ + return + stckpr + rnd + 
##     sales + sic, data = panel_patentes, model = "within")
## 
## Balanced Panel: n = 226, T = 10, N = 2260
## 
## Residuals:
##       Min.    1st Qu.     Median    3rd Qu.       Max. 
## -497.22898   -1.64569   -0.19669    1.64341  184.49423 
## 
## Coefficients:
##           Estimate  Std. Error  t-value  Pr(>|t|)    
## merger  3.30904770  4.16313684   0.7948   0.42680    
## employ  0.11963128  0.07052503   1.6963   0.08998 .  
## return -0.07056694  0.10867769  -0.6493   0.51620    
## stckpr -0.01107952  0.03242512  -0.3417   0.73262    
## rnd    -0.19889614  0.01443066 -13.7829 < 2.2e-16 ***
## sales  -0.00309052  0.00041525  -7.4426 1.451e-13 ***
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Total Sum of Squares:    1091400
## Residual Sum of Squares: 819280
## R-Squared:      0.24935
## Adj. R-Squared: 0.16385
## F-statistic: 112.278 on 6 and 2028 DF, p-value: < 2.22e-16
# Prueba
pFtest(within_patentes, pooled_patentes)
## 
##  F test for individual effects
## 
## data:  patents ~ merger + employ + return + stckpr + rnd + sales + sic
## F = 41.782, df1 = 224, df2 = 2028, p-value < 2.2e-16
## alternative hypothesis: significant effects
# Si p-value < 0.05 se prefiere el modelo de efectos fijos

# Modelo 3. Efectos aleatorios 
# Cuando las diferencias no observadas son aleatorias

# Método Walhus
walhus_patentes <-  plm(patents ~ merger + employ + return + stckpr + rnd + sales+ sic, data = panel_patentes, model="random", random.method = "walhus")
summary(walhus_patentes)
## Oneway (individual) effect Random Effect Model 
##    (Wallace-Hussain's transformation)
## 
## Call:
## plm(formula = patents ~ merger + employ + return + stckpr + rnd + 
##     sales + sic, data = panel_patentes, model = "random", random.method = "walhus")
## 
## Balanced Panel: n = 226, T = 10, N = 2260
## 
## Effects:
##                   var std.dev share
## idiosyncratic  555.26   23.56 0.273
## individual    1480.26   38.47 0.727
## theta: 0.8099
## 
## Residuals:
##       Min.    1st Qu.     Median    3rd Qu.       Max. 
## -433.72438   -3.89667   -1.76198    0.78484  211.91016 
## 
## Coefficients:
##                Estimate  Std. Error z-value  Pr(>|z|)    
## (Intercept) 11.84397257 12.78087032  0.9267    0.3541    
## merger       4.47647107  4.51685216  0.9911    0.3217    
## employ       1.10525428  0.04853786 22.7710 < 2.2e-16 ***
## return      -0.12920955  0.11762230 -1.0985    0.2720    
## stckpr       0.17097726  0.03355374  5.0956 3.476e-07 ***
## rnd         -0.14575073  0.01469317 -9.9196 < 2.2e-16 ***
## sales       -0.00393738  0.00042854 -9.1880 < 2.2e-16 ***
## sic         -0.00107515  0.00376075 -0.2859    0.7750    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Total Sum of Squares:    1449600
## Residual Sum of Squares: 1098300
## R-Squared:      0.24236
## Adj. R-Squared: 0.24
## Chisq: 720.388 on 7 DF, p-value: < 2.22e-16
# Metodo amemiya
amemiya_patentes <-  plm(patents ~ merger + employ + return + stckpr + rnd + sales+ sic, data = panel_patentes, model="random", random.method = "amemiya")
summary(amemiya_patentes)
## Oneway (individual) effect Random Effect Model 
##    (Amemiya's transformation)
## 
## Call:
## plm(formula = patents ~ merger + employ + return + stckpr + rnd + 
##     sales + sic, data = panel_patentes, model = "random", random.method = "amemiya")
## 
## Balanced Panel: n = 226, T = 10, N = 2260
## 
## Effects:
##                   var std.dev share
## idiosyncratic  402.79   20.07 0.051
## individual    7483.44   86.51 0.949
## theta: 0.9268
## 
## Residuals:
##       Min.    1st Qu.     Median    3rd Qu.       Max. 
## -454.59697   -2.99704   -1.65272    0.59741  193.17353 
## 
## Coefficients:
##                Estimate  Std. Error  z-value  Pr(>|z|)    
## (Intercept)  8.58107091 29.77947247   0.2882    0.7732    
## merger       3.91351453  4.11354681   0.9514    0.3414    
## employ       0.49060426  0.06153621   7.9726 1.554e-15 ***
## return      -0.09427795  0.10733800  -0.8783    0.3798    
## stckpr       0.04660332  0.03163610   1.4731    0.1407    
## rnd         -0.17995961  0.01406835 -12.7918 < 2.2e-16 ***
## sales       -0.00342554  0.00040647  -8.4275 < 2.2e-16 ***
## sic          0.00425278  0.00877425   0.4847    0.6279    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Total Sum of Squares:    1144500
## Residual Sum of Squares: 891720
## R-Squared:      0.22085
## Adj. R-Squared: 0.21842
## Chisq: 638.312 on 7 DF, p-value: < 2.22e-16
# Metodo nerlove
nerlove_patentes <-  plm(patents ~ merger + employ + return + stckpr + rnd + sales+ sic, data = panel_patentes, model="random", random.method = "nerlove")
summary(nerlove_patentes)
## Oneway (individual) effect Random Effect Model 
##    (Nerlove's transformation)
## 
## Call:
## plm(formula = patents ~ merger + employ + return + stckpr + rnd + 
##     sales + sic, data = panel_patentes, model = "random", random.method = "nerlove")
## 
## Balanced Panel: n = 226, T = 10, N = 2260
## 
## Effects:
##                   var std.dev share
## idiosyncratic  362.51   19.04 0.046
## individual    7557.16   86.93 0.954
## theta: 0.9309
## 
## Residuals:
##       Min.    1st Qu.     Median    3rd Qu.       Max. 
## -455.94828   -2.93752   -1.60035    0.62863  192.36375 
## 
## Coefficients:
##                Estimate  Std. Error  z-value  Pr(>|z|)    
## (Intercept)  8.38498937 31.41700295   0.2669    0.7896    
## merger       3.86675065  4.09938561   0.9433    0.3456    
## employ       0.46018862  0.06203371   7.4184 1.186e-13 ***
## return      -0.09236163  0.10697310  -0.8634    0.3879    
## stckpr       0.04167663  0.03156299   1.3204    0.1867    
## rnd         -0.18153379  0.01403810 -12.9315 < 2.2e-16 ***
## sales       -0.00339833  0.00040545  -8.3816 < 2.2e-16 ***
## sic          0.00451640  0.00925634   0.4879    0.6256    
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Total Sum of Squares:    1138700
## Residual Sum of Squares: 885220
## R-Squared:      0.22262
## Adj. R-Squared: 0.22021
## Chisq: 644.925 on 7 DF, p-value: < 2.22e-16
# Comparar la R^2 ajustada de los 3 métodos y elegir el que tenga el mayor.

phtest(walhus_patentes, within_patentes)
## 
##  Hausman Test
## 
## data:  patents ~ merger + employ + return + stckpr + rnd + sales + sic
## chisq = 352.48, df = 6, p-value < 2.2e-16
## alternative hypothesis: one model is inconsistent
# Si el p-value es < 0.05, usamos Efectos Fijos (within)

# Por lo tanto nos quedmaos con el modelo de efectos fijos (within)

Paso 4. Pruebas de Heterocedasticidad y Autocorrelación serial

# Prueba de Heterocedasticidad
bptest(within_patentes)
## 
##  studentized Breusch-Pagan test
## 
## data:  within_patentes
## BP = 1447.6, df = 7, p-value < 2.2e-16
# Si el p-value es < 0.05, hay heterocedasticidad en los residuos (problema detectado)

# Prueba de Autocorrelación Serial 
pwartest(within_patentes)
## 
##  Wooldridge's test for serial correlation in FE panels
## 
## data:  within_patentes
## F = 104.29, df1 = 1, df2 = 2032, p-value < 2.2e-16
## alternative hypothesis: serial correlation
# Si el p-value es < 0.05, hay autocorrelación serial en los errores (problema detectado)

# Modelo de corrección con Errores Estandar Robustos
coeficientes_corregidos <- coeftest(within_patentes, vcov=vcovHC(within_patentes, type = "HC0"))
solo_coeficientes <- coeficientes_corregidos[,1]

Paso 5. Generar pronosticos y evaluar modelos

datos_de_prueba <- data.frame(merger = 0, employ = 10, return =6,  stckpr =48, rnd=3, sales=344, sic=3740)
prediccion <- sum(solo_coeficientes*datos_de_prueba)
prediccion
## [1] 12374.42

Conclusiones

En conclusión este ejercicio nos permite generar pronósticos en bases de datos

---
title: "Actividad 1"
author: "Marcelo Aguirre"
date: "2025-08-11"
output:
  html_document:
    toc: TRUE
    toc_float: TRUE
    code_download: TRUE
    theme: cosmo
---

![](https://i.gifer.com/origin/1b/1b121102657bcfbb5bc9187b8c1cc6f6_w200.gif)

# <span style="color: orange;"> Ejercicio 1. Modelo Econométrico </span>

# <span style="color: orange;"> Good to great </span>
Si considero que se debe buscar tratar de mejor aun y cuando estes haciendo las cosas bien, el mundo esta en constante cambio y si no te puedes adaptar va a ser todo lo contrario a bien.
# <span style="color: orange;"> Cargar librerías </span>
```{r message=FALSE, warning=FALSE}
#install.packages("WDI")
library(WDI)
#install.packages("wbstats")
library(wbstats)
#install.packages("tidyverse")
library(tidyverse)
#install.packages("plm") # Paquete para realizar modelos lineales para datos de panel
library(plm)
#install.packages("gplots")
library(gplots)
# install.packages("readxl")
library(readxl)
# install.packages("lmtest")
library(lmtest)
```

# [ Paso 1. Generan conjunto de Datos de Panel ]{style="color:orange;"}

```{r message=FALSE, warning=FALSE}
# Obtenr información de varios países 
gdp <- wb_data(country=c("MX","US","CA"), indicator=c("NY.GDP.PCAP.CD","SM.POP.NETM"), start_date=1950, end_date=2025)

# Generar conjunto de datos de panel
panel_1 <- select(gdp, country, date, NY.GDP.PCAP.CD, SM.POP.NETM)
panel_2 <- subset(panel_1, date== 1960 | date == 1970 | date == 1980 | date == 1990 | date == 2000 | date == 2010 | date == 2020)
panel_1 <- pdata.frame(panel_1, index = c("country", "date"))
```
# <span style="color: orange;"> Paso 2. Prueba de Heterogeneidad </span>
```{r message=FALSE, warning=FALSE}
plotmeans(`NY.GDP.PCAP.CD` ~ country, 
          main = "Prueba de heterogeneidad entre países para el PIB",
          data = panel_1)
```
```{r}
# Modelo 1. Regresión agrupada (pooled)
pooled <- plm(NY.GDP.PCAP.CD ~ SM.POP.NETM, data = panel_1, model="pooling")
summary(pooled)

# Modelo 2. Efectos Fijos (within)
# Cuando las diferencias no observadas son constantes en el tiempo 
within <- plm(NY.GDP.PCAP.CD ~ SM.POP.NETM, data = panel_1, model="within")
summary(within)

# Prueba
pFtest(within, pooled)
# Si p-value < 0.05 se prefiere el modelo de efectos fijos

# Modelo 3. Efectos aleatorios 
# Cuando las diferencias no observadas son aleatorias

# Método Walhus
walhus <-  plm(NY.GDP.PCAP.CD ~ SM.POP.NETM, data = panel_1, model="random", random.method = "walhus")
summary(walhus)

# Metodo amemiya
amemiya <-  plm(NY.GDP.PCAP.CD ~ SM.POP.NETM, data = panel_1, model="random", random.method = "amemiya")
summary(amemiya)

# Metodo nerlove
nerlove <-  plm(NY.GDP.PCAP.CD ~ SM.POP.NETM, data = panel_1, model="random", random.method = "nerlove")
summary(nerlove)

# Comparar la R^2 ajustada de los 3 métodos y elegir el que tenga el mayor.

phtest(walhus, within)
# Si el p-value es < 0.05, usamos Efectos Fijos (within)
```
# <span style="color: orange;"> Ejercicio 3. Panel en Equipos </span>
```{r}
# Obtener información de varios países 
gdp <- wb_data(country=c("AFG","ARG","MX"), indicator=c("SP.DYN.IMRT.IN","NE.EXP.GNFS.ZS"), start_date=1950, end_date=2025)

# Generar conjunto de datos de panel
panel_1 <- select(gdp, country, date, SP.DYN.IMRT.IN, NE.EXP.GNFS.ZS)
panel_2 <- subset(panel_1, date== 1960 | date == 1970 | date == 1980 | date == 1990 | date == 2000 | date == 2010 | date == 2020)
panel_1 <- pdata.frame(panel_1, index = c("country", "date"))
```
```{r message=FALSE, warning=FALSE}
plotmeans(`SP.DYN.IMRT.IN` ~ country, 
          main = "Prueba de heterogeneidad entre países para dueda externa",
          data = panel_1)
```
## <span style="color: orange;"> Paso 2. Ejercicio 3. Prueba de Heterogeneidad </span>
```{r}
# Modelo 1. Regresión agrupada (pooled)
pooled <- plm(SP.DYN.IMRT.IN ~ NE.EXP.GNFS.ZS, data = panel_1, model="pooling")
summary(pooled)

# Modelo 2. Efectos Fijos (within)
# Cuando las diferencias no observadas son constantes en el tiempo 
within <- plm(SP.DYN.IMRT.IN ~ NE.EXP.GNFS.ZS, data = panel_1, model="within")
summary(within)

# Prueba
pFtest(within, pooled)
# Si p-value < 0.05 se prefiere el modelo de efectos fijos

# Modelo 3. Efectos aleatorios 
# Cuando las diferencias no observadas son aleatorias

# Método Walhus
walhus <-  plm(SP.DYN.IMRT.IN ~ NE.EXP.GNFS.ZS, data = panel_1, model="random", random.method = "walhus")
summary(walhus)

# Metodo amemiya
amemiya <-  plm(SP.DYN.IMRT.IN ~ NE.EXP.GNFS.ZS, data = panel_1, model="random", random.method = "amemiya")
summary(amemiya)

# Metodo nerlove
nerlove <-  plm(SP.DYN.IMRT.IN ~ NE.EXP.GNFS.ZS, data = panel_1, model="random", random.method = "nerlove")
summary(nerlove)

# Comparar la R^2 ajustada de los 3 métodos y elegir el que tenga el mayor.

phtest(walhus, within)
# Si el p-value es < 0.05, usamos Efectos Fijos (within)
```
# <span style="color: orange;"> Aplicacion de Shiny </span>
[Aplicacion de Shiny](https://marceloaguirre.shinyapps.io/App1/)

# <span style="color: orange;"> Actividad 1. Patentes </span>

## <span style="color: orange;"> Contexto </span>


## <span style="color: orange;"> Importar base de datos </span>
```{r}
patentes <- read_excel("C:\\Users\\macha\\Downloads\\PATENT 3.xls")
```
## <span style="color: orange;"> Entender la base de datos </span>
```{r}
summary(patentes)
str(patentes)
sum(is.na(patentes))
sapply(patentes, function(x) sum (is.na(x))) #NA´s por variable
patentes$employ[is.na(patentes$employ)] <- mean(patentes$employ,
                                                na.rm=TRUE)

patentes$return[is.na(patentes$return)] <- mean(patentes$return,
                                                na.rm=TRUE)

patentes$stckpr[is.na(patentes$stckpr)] <- mean(patentes$stckpr,
                                                na.rm=TRUE)

patentes$rndstck[is.na(patentes$rndstck)] <- mean(patentes$rndstck,
                                                na.rm=TRUE)

patentes$sales[is.na(patentes$sales)] <- mean(patentes$sales,
                                                na.rm=TRUE)

summary(patentes)
sum(is.na(patentes)) # NA´s en la base de datos

boxplot(patentes$cusip, horizontal=TRUE)
boxplot(patentes$merger, horizontal=TRUE)
boxplot(patentes$employ, horizontal=TRUE)
boxplot(patentes$return, horizontal=TRUE)
boxplot(patentes$patents, horizontal=TRUE)
boxplot(patentes$patentsg, horizontal=TRUE)
boxplot(patentes$stckpr, horizontal=TRUE)
boxplot(patentes$rnd, horizontal=TRUE)
boxplot(patentes$rndeflt, horizontal=TRUE)
boxplot(patentes$rndstck, horizontal=TRUE)
boxplot(patentes$sales, horizontal=TRUE)
boxplot(patentes$sic, horizontal=TRUE)
boxplot(patentes$year, horizontal=TRUE)
patentes$year <- patentes$year - 40
summary(patentes)


```

## [ Paso 1. Generar conjunto de Datos de Panel ]{style="color:orange;"}

```{r}
panel_patentes <- pdata.frame(patentes, index = c("cusip", "year"))
```
## <span style="color: orange;"> Paso 2. Prueba de Heterogeneidad </span>
```{r message=FALSE, warning=FALSE}
plotmeans(`patents` ~ cusip, 
          main = "Prueba de heterogeneidad entre empresas para su patentes",
          data = panel_patentes)
```
## <span style="color: orange;"> Paso 3. Prueba de Efectos fijos y aleatorios </span>
```{r}
# Modelo 1. Regresión agrupada (pooled)
pooled_patentes <- plm(patents ~ merger + employ + return + stckpr + rnd + sales+ sic, data = panel_patentes, model="pooling")
summary(pooled_patentes)

# Modelo 2. Efectos Fijos (within)
# Cuando las diferencias no observadas son constantes en el tiempo 
within_patentes <- plm(patents ~ merger + employ + return + stckpr + rnd + sales+ sic, data = panel_patentes, model="within")
summary(within_patentes)

# Prueba
pFtest(within_patentes, pooled_patentes)
# Si p-value < 0.05 se prefiere el modelo de efectos fijos

# Modelo 3. Efectos aleatorios 
# Cuando las diferencias no observadas son aleatorias

# Método Walhus
walhus_patentes <-  plm(patents ~ merger + employ + return + stckpr + rnd + sales+ sic, data = panel_patentes, model="random", random.method = "walhus")
summary(walhus_patentes)

# Metodo amemiya
amemiya_patentes <-  plm(patents ~ merger + employ + return + stckpr + rnd + sales+ sic, data = panel_patentes, model="random", random.method = "amemiya")
summary(amemiya_patentes)

# Metodo nerlove
nerlove_patentes <-  plm(patents ~ merger + employ + return + stckpr + rnd + sales+ sic, data = panel_patentes, model="random", random.method = "nerlove")
summary(nerlove_patentes)

# Comparar la R^2 ajustada de los 3 métodos y elegir el que tenga el mayor.

phtest(walhus_patentes, within_patentes)
# Si el p-value es < 0.05, usamos Efectos Fijos (within)

# Por lo tanto nos quedmaos con el modelo de efectos fijos (within)
```
## <span style="color: orange;"> Paso 4. Pruebas de Heterocedasticidad y Autocorrelación serial </span>
```{r}
# Prueba de Heterocedasticidad
bptest(within_patentes)
# Si el p-value es < 0.05, hay heterocedasticidad en los residuos (problema detectado)

# Prueba de Autocorrelación Serial 
pwartest(within_patentes)
# Si el p-value es < 0.05, hay autocorrelación serial en los errores (problema detectado)

# Modelo de corrección con Errores Estandar Robustos
coeficientes_corregidos <- coeftest(within_patentes, vcov=vcovHC(within_patentes, type = "HC0"))
solo_coeficientes <- coeficientes_corregidos[,1]
```
## <span style="color: orange;"> Paso 5. Generar pronosticos y evaluar modelos </span>
```{r}
datos_de_prueba <- data.frame(merger = 0, employ = 10, return =6,  stckpr =48, rnd=3, sales=344, sic=3740)
prediccion <- sum(solo_coeficientes*datos_de_prueba)
prediccion
```
## <span style="color: orange;"> Conclusiones </span>
En conclusión este ejercicio nos permite generar pronósticos en bases de datos

