WOEProfet | R Documentation |
Function that calculates the WOE for each bin and the information value for each variable.
WOEProfet(data, id, target, varcol)
data |
Dataframe of binned variables. |
id |
ID variable. |
target |
A binary target variable. |
varcol |
Vector of variables to have WOE transformation. |
A list with the following components.
Bin |
Dataframe with the binned variables and their WOE values. |
WOE |
Dataframe with the WOE values. |
IV |
Each attribute and their associated information values. |
vars |
A list containing the different WOE values for each attribute. |
mydata <- ISLR::Default
mydata$ID = seq(1:nrow(mydata)) ## make the ID variable
mydata$default<-ifelse(mydata$default=="Yes",1,0) ## Creating numeric binary target variable
binned <- BinProfet(mydata, id= "ID", target= "default", num.bins = 5) ## Binning variables
WOE_dat <- WOEProfet(binned, "ID", "default", 3:5)
head(WOE_dat$Bin)
head(WOE_dat$WOE)
WOE_dat$IV
head(WOE_dat$vars$income)
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