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AttributeError: 'numpy.ndarray' object has no attribute 'fit' when calling fit_transform on a pipeline


By : Troy Sanders
Date : October 18 2020, 06:10 PM
around this issue I'm getting the below error when I call pipeline.fit_transform(X_train, y_train). , You forgot to put self in the first init of preprocess
code :
class preprocess(TransformerMixin, BaseEstimator):

    def __init__(self):
        self.X = None
nb_pipeline = [('preprocess', preprocess()),
                    ('fit_NB', apply_NB())]


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How can i train GaussianNB in pipeline by removing error[AttributeError: 'numpy.ndarray' object has no attribute 'lower'


By : Musaib Bilal
Date : March 29 2020, 07:55 AM
this one helps. This is the data i use count vectorizer and tfidftransformer and also use GaussianNB but i get error in this code. Please let me know the correct syntax. , Do
code :
clf = GaussianNB().fit(text_train_tfidf.toarray() , list(zip(*train))[1])
text_clf = text_clf.fit(list(zip(*train))[0] , list(zip(*train))[1])

AttributeError: type object 'numpy.ndarray' has no attribute '__array_function__' on import numpy 1.15.4


By : Klarissa Miller
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further Unfortunately, you have mixed two different installation systems. You need to clear everything that was installed when you did pip3 install tensorflow.
The easiest is to start from scratch, and only do conda install tensorflow.

AttributeError: 'numpy.ndarray' object has no attribute 'where'


By : user3460771
Date : March 29 2020, 07:55 AM
wish of those help From the docs of numpy.where - the function returns the indexes where the condition within the function is True.
Example:
code :
>>> np.where(outlier_preds == -1)
(array([ 35,  59, 117, 118, 119, 126, 128, 141, 143, 144, 145, 146, 149,
        150, 151, 152, 153, 155, 156, 162, 175, 176, 184, 192, 201, 202,
        203, 204, 205, 214, 217, 218], dtype=int64),)
>>> np.where(outlier_preds == -1)[0][0] #First element only
35

AttributeError: 'numpy.ndarray' object has no attribute 'cos'


By : aliuxin
Date : March 29 2020, 07:55 AM
should help you out In Python2.7 adding a print('alpha',alpha) at the start of the loop produces:

Not able to import numpy: AttributeError: type object 'numpy.ndarray' has no attribute '__array_function__'


By : W.Ping
Date : March 29 2020, 07:55 AM
may help you . I am trying to import numpy but I am getting following error: , I had the same problem. Just run
code :
rm -rf /home/oto/.local/lib/python3.6/site-packages/numpy*

pip3 install numpy
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