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ranger: A Fast Implementation of Random Forests for High Dimensional Data in C++ and R

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  • Wright, Marvin N.
  • Ziegler, Andreas

Abstract

We introduce the C++ application and R package ranger. The software is a fast implementation of random forests for high dimensional data. Ensembles of classification, regression and survival trees are supported. We describe the implementation, provide examples, validate the package with a reference implementation, and compare runtime and memory usage with other implementations. The new software proves to scale best with the number of features, samples, trees, and features tried for splitting. Finally, we show that ranger is the fastest and most memory efficient implementation of random forests to analyze data on the scale of a genome-wide association study.

Suggested Citation

  • Wright, Marvin N. & Ziegler, Andreas, 2017. "ranger: A Fast Implementation of Random Forests for High Dimensional Data in C++ and R," Journal of Statistical Software, Foundation for Open Access Statistics, vol. 77(i01).
    • Handle: RePEc:jss:jstsof:v:077:i01
    DOI: http://hdl.handle.net/10.18637/jss.v077.i01
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    References listed on IDEAS

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    1. Bischl, Bernd & Lang, Michel & Mersmann, Olaf & Rahnenführer, Jörg & Weihs, Claus, 2015. "BatchJobs and BatchExperiments: Abstraction Mechanisms for Using R in Batch Environments," Journal of Statistical Software, Foundation for Open Access Statistics, vol. 64(i11).
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