Recent questions tagged python

+3 votes

1 answer

Python: how to select some rows from a pandas dataframe

asked Dec 3, 2020 in Programming Languages by pythonuser (17.0k points)

+3 votes

1 answer

Python: how to convert sparse matrix to a dense matrix

asked Dec 1, 2020 in Programming Languages by pythonuser (17.0k 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 (17.0k 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 (17.0k 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 (17.0k points)

+3 votes

1 answer

Python - TypeError: 'method' object is not subscriptable

asked Oct 9, 2020 in Programming Languages by pythonuser (17.0k points)

+3 votes

1 answer

How to create a copy of a pandas dataframe

asked Oct 6, 2020 in Programming Languages by pythonuser (17.0k points)

+2 votes

1 answer

How to compute mean and standard deviation for each column of a pandas dataframe

asked Oct 6, 2020 in Programming Languages by pythonuser (17.0k points)

+4 votes

1 answer

How to convert a 2D Python list to Numpy matrix

asked Sep 15, 2020 in Programming Languages by pythonuser (17.0k points)

+4 votes

1 answer

How to to determine if a string is a Python keyword.

asked Sep 14, 2020 in Programming Languages by pythonuser (17.0k points)

+3 votes

1 answer

How to find the list of Python keywords

asked Sep 14, 2020 in Programming Languages by pythonuser (17.0k points)

+3 votes

1 answer

How to save a Python csr_matrix as a CSV file

asked Sep 10, 2020 in Programming Languages by pythonuser (17.0k points)

+4 votes

1 answer

Python: compute the product of two lists element-wise

asked Sep 4, 2020 in Programming Languages by pythonuser (17.0k points)

+4 votes

1 answer

Python: how to convert a Numpy array of values True/False to 1/0

asked Sep 2, 2020 in Programming Languages by pythonuser (17.0k points)

+4 votes

1 answer

XGBoost : how to store train and test data in a DMatrix object in Python

asked Aug 30, 2020 in Programming Languages by pythonuser (17.0k points)

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