scale_minmax: Scale columns so that values lie between min and max value.

Description Usage Arguments Examples

Description

Scale columns so that values lie between min and max value.

Usage

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Arguments

vars

Function or formula that returns selected columns from a data.frame. Alternatively, character vector of column names.

Examples

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df <- data.frame(A=c("a1","a1","a2","a3"), B=c("b1", "b2", "b3", "b4"), X=c(1,2,3,4))
prep <- scale()
prep$fit(df)
prep$transform(df)
# or more succintly
prep$fit_transform(df)

rtsho/preprocessr documentation built on May 29, 2019, 8:58 a.m.