downsample: Downsample (subsample) a task or a data.frame.

Description Usage Arguments Value See Also

View source: R/downsample.R

Description

Decrease the observations in a task or a ResampleInstance to a given percentage of observations.

Usage

1
downsample(obj, perc = 1, stratify = FALSE)

Arguments

obj

[Task | ResampleInstance]
Input data or a ResampleInstance.

perc

[numeric(1)]
Percentage from [0, 1]. Default is 1.

stratify

[logical(1)]
Only for classification: Should the downsampled data be stratified according to the target classes? Default is FALSE.

Value

[data.frame | Task | ResampleInstance]. Same type as obj.

See Also

makeResampleInstance

Other downsample: makeDownsampleWrapper


guillermozbta/s2 documentation built on Jan. 2, 2018, 12:25 a.m.