over_ratio {dials} | R Documentation |
Parameters for class-imbalance sampling
Description
For up- and down-sampling methods, these parameters control how much data are
added or removed from the training set. Used in themis::step_rose()
,
themis::step_smotenc()
, themis::step_bsmote()
, themis::step_upsample()
,
themis::step_downsample()
, and themis::step_nearmiss()
.
Usage
over_ratio(range = c(0.8, 1.2), trans = NULL)
under_ratio(range = c(0.8, 1.2), trans = NULL)
Arguments
range |
A two-element vector holding the defaults for the smallest and largest possible values, respectively. If a transformation is specified, these values should be in the transformed units. |
trans |
A |
Examples
under_ratio()
over_ratio()
[Package dials version 1.3.0 Index]