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jpp has asked 44 questions and find answers to 885 problems.

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jpp questions

Accessing category codes for Index objects in Pandas
Tracking progress in python list(map(...))
Pandas vectorised function cumsum versus numpy
Optimal HDF5 dataset chunk shape for reading rows
Select Rows with Same Id but different Values in Pandas
NumPy indexing: broadcasting with Boolean arrays
Dask dataframes: reading multiple files & storing filename in column
Efficiently return the index of the first value satisfying condition in array
Comparing numpy array with itself by element efficiently
Suppress key addition in collections.defaultdict

jpp answers

Get group size in pandas dataframe
How to add the subtracted date value in Python
Python compression string not quite right
Sort list by frequency and by value in Python
Assign Series to DataFrame by multiindex
iloc function usage in pandas dataframe
How to calculate the proportions of the words that appear with the first letter capitalized
How to delete list elements based on condition in Python
Replace multiple values in Pandas column without loop
Stack columns in numpy 2-dim array to get 1-dim array