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jpp has asked 42 questions and find answers to 772 problems.

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jpp questions

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
How to efficiently partial argsort Pandas dataframe across columns
Conditionally offseting values by group with Pandas

jpp answers

group the sublist seperatly inside the list based on condition in python
Map elements to list of unique indexes
Puzzling KeyError when assigning to a new columns in a pandas DataFrame
Convert categories to columns in dataframe python
Join two defaultdicts in Python
Get only non-zero sub arrays from a N dimensional Numpy array
FInd consecutive index pandas
Python Pandas: Getting the Index of All Rows that Match a Column Value [duplicate]
New interpolated column from existing column and lookup table
Pandas: Sorting rows based on a value of a column