daltoolbox (version 1.3.767)

bal_subsampling: Random class undersampling

Description

Balance class distributions by randomly reducing all classes to the minority count.

Usage

bal_subsampling(attribute)

Value

returns an object of class bal_subsampling

Arguments

attribute

target class attribute name

Examples

data(iris)
iris_imb <- iris[c(1:50, 51:71, 101:111), ]
bal <- bal_subsampling("Species")
iris_bal <- transform(bal, iris_imb)
table(iris_bal$Species)