関連ワード:  what is onehotencoder    what is onehotencoder used for    what does onehotencoder do    what does onehotencoder    what is onehotencoder in machine learning    what is onehotencoder in python    what is onehotencoder in sklearn    what is sparse in onehotencoder    what is the difference between onehotencoder and labelencoder    what is the difference between onehotencoder and get_dummies