calculate_IV {wpa}

Calculate Weight of Evidence (WOE) and Information Value (IV) between a single predictor and a single outcome variable.

Description

Calculates Weight of Evidence (WOE) and Information Value (IV) between a single predictor and a single outcome variable. This function implements the common Information Value calculations whilst maintaining the minimum reliance on external dependencies. Use map_IV() for the equivalent of Information::create_infotables(), which performs calculations for multiple predictors and a single outcome variable.

Usage

calculate_IV(data, outcome, predictor, bins)

Arguments

data

Data frame containing the data.

outcome

String containing the name of the outcome variable.

predictor

String containing the name of the predictor variable.

bins

Numeric value representing the number of bins to use.

Details

The approach used mirrors the one used in Information::create_infotables().

Value

A data frame is returned as an output.