sumIV: Auxiliary Function: Compute Sum IV of Given Variable

In xxzcool/scoremodel: Credit Scoring Modeling Toolbox

Description

Auxiliary function: sumIV will compute the sum IV of a binned X variable, return a numeric.

Usage

sumIV(df, x, totalgood = NULL, totalbad = NULL)

Arguments

df	A dataframe only with Xs and Y variable, and the last variable must be Y.
x	A name character of X variable to be computed.
totalgood	Default NULL. if not default, will use them directly, otherwise will recalculate based on df.
totalbad	Default NULL. if not default, will use them directly, otherwise will recalculate based on df.

Details

notice: the given X variable must have be binned in advance.

Value

A numeric

See Also

Other WOE and IV computing functions: dfIV, getIV, getWOE

Examples

data(CreditData)
sumIV(CreditData, x = "gender")

xxzcool/scoremodel documentation built on May 4, 2019, 10:56 a.m.