iv.str: Calculate Information Value for character or factor columns

In tomasgreif/woe: Tools to calculate Weight of Evidence (WoE) and Information Value.

Description

This function calculates information value for character or factor columns of data frame.

Usage

  iv.str(df, x, y, verbose = FALSE)

Arguments

df	data frame with at least two columns (predictor x and outcome y)
x	column (character or factor) for which Information Value should be calculated
y	column (integer) with binary outcome. y has to be a column in df data frame. It is suggested that y is factor with two levels "bad" and "good" If there are no levels good/bad than the following assumptions are applied - if y is integer, than 0=good and 1=bad. If y is factor than level 2 is assumed to mean bad and 1 good.
verbose	Prints additional details when TRUE. Useful mainly for debugging.

Examples

iv.str(german_data,"purpose","gb")
iv.str(german_data,"savings","gb")

tomasgreif/woe documentation built on May 31, 2019, 5:16 p.m.