AttributeError: 'RandomForestClassifier' object has no attribute 'fit_transform'

Question

I am getting an error

AttributeError: 'RandomForestClassifier' object has no attribute 'fit_transform'

However, there is a method named fit_transform(X,y) in sklearn.ensemble.RandomForestClassifier. This can be seen here I don't understand why I am getting this error and how do I resolve it. Here is the code snippet-

from sklearn.ensemble import RandomForestClassifier
import pickle
import sys
import numpy as np

X1=np.array(pickle.load(open('X2g_train.p','rb')))
X2=np.array(pickle.load(open('X3g_train.p','rb')))
X3=np.array(pickle.load(open('X4g_train.p','rb')))
X4=np.array(pickle.load(open('Xhead_train.p','rb')))

X=np.hstack((X2,X1,X3,X4))
y = np.array(pickle.load(open('y.p','rb')))
rf=RandomForestClassifier(n_estimators=200)
Xr=rf.fit_transform(X,y)

The documentation you are using is for a very old version of scikit. Seems like you dont have that version installed. — Vivek Kumar
– Vivek Kumar, Commented Mar 21, 2018 at 8:57

Guillaume · Accepted Answer · 2018-03-21 07:42:42Z

3

There's no such method in the scikit-learn API documentation

To train your model and get predictions, you need to do like this

rf = RandomForestClassifier()

# train the model
rf.fit(X_train, y_train)

# get predictions
predictions = rf.predict(X_test)

answered Mar 21, 2018 at 7:42

Guillaume

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