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jpp has asked 42 questions and find answers to 786 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

Counting the Frequency of three words
Get the row and column for empty cell using pandas
Pandas: Is there a way to compare two series and find elements that are recent in one series but not the other?
when to use iloc and loc for boolean
How to replace values with substrings in pandas objects?
Python: remove rows with max value in each group
Pandas: Remove all NaN values in all columns [duplicate]
How to add a year to a column of dates in pandas
Python - Sorting a list item by alphabet in a list of lists, and have other lists follow the swapping order
Convert a Pandas dataframe with multiple rows into one row