Join some class existing levels to new, larger class levels for classification problems.
Source:R/joinClassLevels.R
joinClassLevels.Rd
Join some class existing levels to new, larger class levels for classification problems.
Arguments
- task
(Task)
The task.- new.levels
(
list
ofcharacter
)
Element names specify the new class levels to create, while the corresponding element character vector specifies the existing class levels which will be joined to the new one.
Value
Task.
Examples
joinClassLevels(iris.task, new.levels = list(foo = c("setosa", "virginica")))
#> Supervised task: iris-example
#> Type: classif
#> Target: Species
#> Observations: 150
#> Features:
#> numerics factors ordered functionals
#> 4 0 0 0
#> Missings: FALSE
#> Has weights: FALSE
#> Has blocking: FALSE
#> Has coordinates: FALSE
#> Classes: 2
#> foo versicolor
#> 100 50
#> Positive class: foo