R: Fuse learner with dummy feature creator.

makeDummyFeaturesWrapper {mlr} | R Documentation

## Fuse learner with dummy feature creator.

### Description

Fuses a base learner with the dummy feature creator (see createDummyFeatures). Returns a learner which can be used like any other learner.

### Usage

    makeDummyFeaturesWrapper(learner, method = "1-of-n", cols = NULL)

### Arguments

`learner` | (Learner | `character(1)`) The learner. If you pass a string the learner will be created via makeLearner.
`method` | (`character(1)`) Available are: "1-of-n": For n factor levels there will be n dummy variables. "reference": There will be n-1 dummy variables leaving out the first factor level of each variable. Default is “1-of-n”.
`cols` | (character) Columns to create dummy features for. Default is to use all columns.

### Value

Learner.

### See Also

Other wrapper: `makeBaggingWrapper`, `makeClassificationViaRegressionWrapper`, `makeConstantClassWrapper`, `makeCostSensClassifWrapper`, `makeCostSensRegrWrapper`, `makeDownsampleWrapper`, `makeExtractFDAFeatsWrapper`, `makeFeatSelWrapper`, `makeFilterWrapper`, `makeImputeWrapper`, `makeMulticlassWrapper`, `makeMultilabelBinaryRelevanceWrapper`, `makeMultilabelClassifierChainsWrapper`, `makeMultilabelDBRWrapper`, `makeMultilabelNestedStackingWrapper`, `makeMultilabelStackingWrapper`, `makeOverBaggingWrapper`, `makePreprocWrapperCaret`, `makePreprocWrapper`, `makeRemoveConstantFeaturesWrapper`, `makeSMOTEWrapper`, `makeTuneWrapper`, `makeUndersampleWrapper`, `makeWeightedClassesWrapper`

[Package mlr version 2.16.0 Index]