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sklearnのPCAの再現性についてメモ

Last updated at Posted at 2019-10-17

scikit-learnのversionは0.21.3。
random_stateを指定しても、explained_variance_ratio_が同じ値の軸があると、transformの結果が一意でない。
当然といえば当然な気がするけど、最初再現性がない理由がわからなくて戸惑った。
今は、explained_variance_ratio_内に重複がないか確認している。

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