Information value Summary

Description

It gives the user the ability to calculate, in one step, the IV for each characteristic of the dataset. This function also shows a progress bar so the user can see the status of the process.

Usage

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Arguments

df

A data frame.

y

Binary response variable (0,1). Integer (int) is required. Name of y must not have a dot. Name "default" is not allowed.

Value

The command smbinning.sumiv generates a table that lists each characteristic with its corresponding IV for those where the calculation is possible, otherwise it will generate a missing value (NA).

Examples

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# Package loading and data exploration
library(smbinning) # Load package and its data
data(chileancredit) # Load smbinning sample dataset (Chilean Credit)
 
# Training and testing samples (Just some basic formality for Modeling) 
chileancredit.train=subset(chileancredit,FlagSample==1)
chileancredit.test=subset(chileancredit,FlagSample==0)
 
# Summary IV application
sumivt=smbinning.sumiv(chileancredit.train,y="FlagGB")
sumivt # Display table with IV by characteristic