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debt_assets
2012 Jul 09
0
Problem in plm package
...library(plm)
library(micEcon)
library(ggplot2)
data <- read.dta('kpfull1.dta')
summary(data)
attach(data)
# profit share ratio. as profit I take profit in 91 which is the closest
year and as share I take number of shares offered for voucher scheme
data$profit_share <- p91/tnsvp
data$debt_assets <- d91/naba
data$naba3 <- naba^3
data$difprofit <- p91-p90
data$agri <- (mind==1)*1
data$hi <- (mind==2)*1
data$li <- (mind==3)*1
data$constr <- (mind==4)*1
data$trans <- (mind==5)*1
data$trade <- (mind==6)*1
data$rd <- (mind==7)*1
data$ser <- (mind==8)*1
data$fin...