sacuL

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sacuL has asked 9 questions and find answers to 233 problems.

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sacuL questions

convert multiple columns to datetime without the date in pandas
new column with running number in pandas, incremented conditionally
Replace string in dataframe if a condition in a different row is met
Categorical dtype changes after using melt
Efficiently find overlap of date-time ranges from 2 dataframes
Vectorized way to count occurrences of string in either of two columns
Merging pandas dataframes on 2 columns but in either order
How to tell flake8 to ignore comments
Why use pandas.assign rather than simply initialize new column?

sacuL answers

NumPy using the reshape function to reshape an array [duplicate]
Filter dictionary from array values
Python Pandas if column id value greater
R pandas groupby index of the first row in each group
How to remove from a list the strings that have less than N tokens?
Python line plot multiple time series on same plot
How to extract specific lines in Pandas
Convert dataframe index with format YYYYMM and type 'pandas.core.indexes.base.Index' to datetime index
%timeit tests run for variable number of loops for similar commands
Expand a pandas column without merge