Not sure how to fix . Any help much appreciate. I saw thi Vectorization: Not a valid collection but not sure if i understood this
train = df1.iloc[:,[4,6]]
target =df1.iloc[:,[0]]
def train(classifier, X, y):
X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.25, random_state=33)
classifier.fit(X_train, y_train)
print ("Accuracy: %s" % classifier.score(X_test, y_test))
return classifier
trial1 = Pipeline([
('vectorizer', TfidfVectorizer()),
('classifier', MultinomialNB()),])
train(trial1, train, target)
error below :
----> 6 train(trial1, train, target)
<ipython-input-140-ac0e8d32795e> in train(classifier, X, y)
1 def train(classifier, X, y):
----> 2 X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.25, random_state=33)
3
4 classifier.fit(X_train, y_train)
5 print ("Accuracy: %s" % classifier.score(X_test, y_test))
/home/manisha/anaconda3/lib/python3.5/site-packages/sklearn/model_selection/_split.py in train_test_split(*arrays, **options)
1687 test_size = 0.25
1688
-> 1689 arrays = indexable(*arrays)
1690
1691 if stratify is not None:
/home/manisha/anaconda3/lib/python3.5/site-packages/sklearn/utils/validation.py in indexable(*iterables)
204 else:
205 result.append(np.array(X))
--> 206 check_consistent_length(*result)
207 return result
208
/home/manisha/anaconda3/lib/python3.5/site-packages/sklearn/utils/validation.py in check_consistent_length(*arrays)
175 """
176
--> 177 lengths = [_num_samples(X) for X in arrays if X is not None]
178 uniques = np.unique(lengths)
179 if len(uniques) > 1:
/home/manisha/anaconda3/lib/python3.5/site-packages/sklearn/utils/validation.py in <listcomp>(.0)
175 """
176
--> 177 lengths = [_num_samples(X) for X in arrays if X is not None]
178 uniques = np.unique(lengths)
179 if len(uniques) > 1:
/home/manisha/anaconda3/lib/python3.5/site-packages/sklearn/utils/validation.py in _num_samples(x)
124 if len(x.shape) == 0:
125 raise TypeError("Singleton array %r cannot be considered"
--> 126 " a valid collection." % x)
127 return x.shape[0]
128 else:
TypeError: Singleton array array(<function train at 0x7f3a311320d0>, dtype=object) cannot be considered a valid collection.
____
Not sure how to fix . Any help much appreciate. I saw thi Vectorization: Not a valid collection but not sure if i understood this
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