PV8

PV8 has asked 12 questions and find answers to 17 problems.

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PV8 questions

Adding weights to edges in networkx automatically depending of the number of connections form pandas dataframe
Extract day and hour from a datetime column in pandas [duplicate]
Grouby with datetime in two dimensions
Change order/position of nodes in plot of networkx
Get number of bad lines/errors while reading csv with pandas ( error_bad_lines)
Drop_duplicates in a dataframe and keep the one with a specific column value
Highlight specific points (based on a condition) in a scatter plot
Split string column based on number of characters
Balanced_accuracy is not a valid scoring value in scikit-learn
Convert all columns from int64 to int32

PV8 answers

What is csr_matrix.A? [duplicate]
Input contains NaN, infinity or a value too large for dtype('float64') but there are no nan or infinite values
How to get predicted values along with test data, and visualize actual vs predicted?
Dealing with null values when pd.merge
Cant read csv files using pandas in Visual Code
Compare two dataframe columns for matching percentage
Unable to connect SQLState=08004 [Oracle][ODBC][Ora]ORA-12154: TNS:could not resolve the connect identifier specified in ms odbc administrator
The sklearn.* module is deprecated in version 0.22 and will be removed in version 0.24
Why are all labels_ are -1? Generated by DBSCAN in Python
Number of classes, 4, does not match size of target_names, 6. Try specifying the labels parameter