How to use make a function that counts number of zeros in each rows with FunctionTransformer












0















I am trying to concatenate a feature that counts the number of zeros in each rows of a given dataset using the Sklearn's FeatureUnion function and FunctionTransformer.



I have tried the following:



def rowzeros(X):
return (X==0).sum(axis=0)

make_union(MaxMinScaler(),
FunctionTransformer(get_zeros_each_rows))


However, I would get this error:




ValueError: all the input array dimensions except for the
concatenation axis must match exactly.




It looks like there is an error on the array shape. How would I fix this?










share|improve this question




















  • 2





    Could you please add some examples so that to form MCVE?

    – sophros
    Jan 19 at 7:34
















0















I am trying to concatenate a feature that counts the number of zeros in each rows of a given dataset using the Sklearn's FeatureUnion function and FunctionTransformer.



I have tried the following:



def rowzeros(X):
return (X==0).sum(axis=0)

make_union(MaxMinScaler(),
FunctionTransformer(get_zeros_each_rows))


However, I would get this error:




ValueError: all the input array dimensions except for the
concatenation axis must match exactly.




It looks like there is an error on the array shape. How would I fix this?










share|improve this question




















  • 2





    Could you please add some examples so that to form MCVE?

    – sophros
    Jan 19 at 7:34














0












0








0








I am trying to concatenate a feature that counts the number of zeros in each rows of a given dataset using the Sklearn's FeatureUnion function and FunctionTransformer.



I have tried the following:



def rowzeros(X):
return (X==0).sum(axis=0)

make_union(MaxMinScaler(),
FunctionTransformer(get_zeros_each_rows))


However, I would get this error:




ValueError: all the input array dimensions except for the
concatenation axis must match exactly.




It looks like there is an error on the array shape. How would I fix this?










share|improve this question
















I am trying to concatenate a feature that counts the number of zeros in each rows of a given dataset using the Sklearn's FeatureUnion function and FunctionTransformer.



I have tried the following:



def rowzeros(X):
return (X==0).sum(axis=0)

make_union(MaxMinScaler(),
FunctionTransformer(get_zeros_each_rows))


However, I would get this error:




ValueError: all the input array dimensions except for the
concatenation axis must match exactly.




It looks like there is an error on the array shape. How would I fix this?







python pandas scikit-learn data-manipulation






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Jan 19 at 6:55









Mohammadreza Farahani

2,02131424




2,02131424










asked Jan 19 at 6:51









MikeMike

286




286








  • 2





    Could you please add some examples so that to form MCVE?

    – sophros
    Jan 19 at 7:34














  • 2





    Could you please add some examples so that to form MCVE?

    – sophros
    Jan 19 at 7:34








2




2





Could you please add some examples so that to form MCVE?

– sophros
Jan 19 at 7:34





Could you please add some examples so that to form MCVE?

– sophros
Jan 19 at 7:34












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