Become an expert in R — Interactive courses, Cheat Sheets, certificates and more!
Get Started for Free
Documentation
R
mlr

getFeatureImportanceLearner

Calculates feature importance values for a given learner.

Description

This function is mostly for internal usage. To calculate feature importance use getFeatureImportance.

The return value is a named numeric vector. There does not need to be one value for each feature in the dataset. In getFeatureImportance missing features will get an importance of zero and if the vector contains NA they will also be replaced with zero.

Usage

## S3 method for class 'regr.randomForestSRC'
getFeatureImportanceLearner(.learner, .model, ...)

getFeatureImportanceLearner(.learner, .model, ...)

Arguments

.learner

(Learner | character(1))
The learner.
.model

(WrappedModel)
The model.
...

(any)
Additional parameters, which are passed to the underlying importance value generating function.

Value

(numeric) A named vector of variable importance.

mlr

Machine Learning in R

v2.19.0
BSD_2_clause + file LICENSE
Authors
Bernd Bischl [aut] (<https://orcid.org/0000-0001-6002-6980>), Michel Lang [aut] (<https://orcid.org/0000-0001-9754-0393>), Lars Kotthoff [aut], Patrick Schratz [aut, cre] (<https://orcid.org/0000-0003-0748-6624>), Julia Schiffner [aut], Jakob Richter [aut], Zachary Jones [aut], Giuseppe Casalicchio [aut] (<https://orcid.org/0000-0001-5324-5966>), Mason Gallo [aut], Jakob Bossek [ctb] (<https://orcid.org/0000-0002-4121-4668>), Erich Studerus [ctb] (<https://orcid.org/0000-0003-4233-0182>), Leonard Judt [ctb], Tobias Kuehn [ctb], Pascal Kerschke [ctb] (<https://orcid.org/0000-0003-2862-1418>), Florian Fendt [ctb], Philipp Probst [ctb] (<https://orcid.org/0000-0001-8402-6790>), Xudong Sun [ctb] (<https://orcid.org/0000-0003-3269-2307>), Janek Thomas [ctb] (<https://orcid.org/0000-0003-4511-6245>), Bruno Vieira [ctb], Laura Beggel [ctb] (<https://orcid.org/0000-0002-8872-8535>), Quay Au [ctb] (<https://orcid.org/0000-0002-5252-8902>), Martin Binder [ctb], Florian Pfisterer [ctb], Stefan Coors [ctb], Steve Bronder [ctb], Alexander Engelhardt [ctb], Christoph Molnar [ctb], Annette Spooner [ctb]
Initial release

We don't support your browser anymore

Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.