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Borutaが使うCPUスレッド数を指定する

はじめに

RのBorutaを使う機会があったが、実行するとCPUがほぼ占有され作業ができない状態となっため、CPUスレッド数を指定する方法を調べた。

環境

  • Windows10
  • Boruta

方法

引数num.threadsを指定すればよい。以下の場合、使うCPUスレッドが2に限定される。

BorutaModel <- Boruta(type ~ ., data=trainSet,
                      getImp = getImpFerns,
                      maxRuns = 1000, num.threads=2)

参考

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