Number Of Features Of The Model Must Match The Input. Model N_features Is 40 And Input N_features Is 38

i am getting this error.please give me any suggestion to resolve it.here is my code.i am taking traing data from train.csv and testing data from another file test.csv.i am new to m

Solution 1:

There are multiple problems with your code. But the thing related to this question is that you are fitting the CountVectorizer (vectorizer) on both train and test data, which is why you are getting different features.

What you should do is:

X1 = vectorizer.fit_transform(train['question'])

# The following line is changedY1 = vectorizer.transform(test['testing'])