jpp

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jpp has asked 47 questions and find answers to 971 problems.

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jpp questions

Accessing methods via getattr
Pandas dataframe to structured array with Boolean series
Dot-multiplying large dense matrices of different dtype (float x boolean)
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

jpp answers

Mask values that occur less than K times in a pandas column (case insensitive comparison)
Check if each value in a dataframe column contains words from another dataframe column
How to replace each value in pandas data frame with column value?
Python Pandas: How do I apply a function requiring an extended class (datetime)?
Count Vowels from a word list and return the number as a list
Encode multiple label in DataFrame
how to sort a list based on timestamp value of an object
How do I subtract an odd row value from even row vlaue?
Python take modified list outside for loop
pandas pivot columns to rows