Relative Information Gain (RIG)

Relative Information Gain (RIG)

rig(pred, rvar, lev, crv = 1e-07, na.rm = TRUE)

Arguments

pred	Prediction or predictor
rvar	Response variable
lev	The level in the response variable defined as success
crv	Correction value to avoid log(0)
na.rm	Logical that indicates if missing values should be removed (TRUE) or not (FALSE)

Value

RIG statistic

Details

See https://radiant-rstats.github.io/docs/model/evalbin.html for an example in Radiant

See also

evalbin to calculate results

summary.evalbin to summarize results

plot.evalbin to plot results

Examples

rig(runif(20000), dvd$buy, "yes")
#> [1] -0.733609
rig(ifelse(dvd$buy == "yes", 1, 0), dvd$buy, "yes")
#> [1] 1