Recent questions tagged python

+3 votes

1 answer

How to generate sample data for testing machine learning classifiers

asked Jan 1 in Programming Languages by pythonuser (16.2k points)

+3 votes

1 answer

How to generate train and test sets for 5-fold cross validation

asked Dec 29, 2020 in Programming Languages by pythonuser (16.2k points)

+3 votes

1 answer

Python : how to iterate over all the elements of a Numpy 2D array

asked Dec 18, 2020 in Programming Languages by pythonuser (16.2k points)

+3 votes

1 answer

Python: how to read a tab-delimited text file and convert data into numpy array

asked Dec 17, 2020 in Programming Languages by pythonuser (16.2k points)

+3 votes

1 answer

TypeError: can't multiply sequence by non-int of type 'numpy.float64'

asked Dec 16, 2020 in Programming Languages by kush (2.7k points)

+2 votes

1 answer

Python: compute sum of a CSR matrix by column

asked Dec 13, 2020 in Programming Languages by pythonuser (16.2k points)

+3 votes

1 answer

IndexError: Index dimension must be <= 2

asked Dec 10, 2020 in Programming Languages by kush (2.7k points)

+3 votes

1 answer

TypeError: object of type 'filter' has no len()

asked Dec 9, 2020 in Programming Languages by kush (2.7k points)

+3 votes

1 answer

TypeError: <lambda>() missing 1 required positional argument: 'b'

asked Dec 9, 2020 in Programming Languages by kush (2.7k points)

+3 votes

1 answer

Python: find the number of unique elements in a list

asked Dec 7, 2020 in Programming Languages by pythonuser (16.2k points)

+3 votes

1 answer

Python: how to select some rows from a pandas dataframe

asked Dec 3, 2020 in Programming Languages by pythonuser (16.2k points)

+3 votes

1 answer

Python: how to convert sparse matrix to a dense matrix

asked Dec 1, 2020 in Programming Languages by pythonuser (16.2k points)

+3 votes

1 answer

Python: Generate a balanced data set from an imbalanced data set for training the machine learning model

asked Nov 24, 2020 in Programming Languages by pythonuser (16.2k points)

+3 votes

1 answer

How to convert a list of numpy arrays into a Python list

asked Oct 9, 2020 in Programming Languages by pythonuser (16.2k points)

+3 votes

1 answer

Python - TypeError: sparse matrix length is ambiguous; use getnnz() or shape[0]

asked Oct 9, 2020 in Programming Languages by pythonuser (16.2k points)

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