downsample: Downsample (subsample) a task or a data.frame.
In mlr: Machine Learning in R
downsample R Documentation
Downsample (subsample) a task or a data.frame.
Description
Decrease the observations in a task or a ResampleInstance
to a given percentage of observations.
Usage
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 asobj'.
See Also
makeResampleInstance
Other downsample:
makeDownsampleWrapper()
mlr documentation built on Sept. 29, 2022, 5:05 p.m.
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| downsample | R Documentation |
Downsample (subsample) a task or a data.frame.
Description
Decrease the observations in a task or a ResampleInstance
to a given percentage of observations.
Usage
downsample(obj, perc = 1, stratify = FALSE)
Arguments
obj |
(Task | ResampleInstance) |
perc |
( |
stratify |
( |
Value
([data.frame| [Task] | [ResampleInstance]). Same type asobj'.
See Also
makeResampleInstance
Other downsample:
makeDownsampleWrapper()
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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