jpp

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jpp has asked 47 questions and find answers to 985 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

Find index of changing value between two arrays
Change the name of excel worksheet with pandas
Check if a row with certain values exist, and create if it does not exist
Compare and delete lists from a list of lists using max condition
Remove partially duplicate tuples from list of tuples
pd.read_excel("file.xlsx") does not create 'DataFrame' but 'OrderedDict'
Sort a Dataframe and count a value with percentages
How does sum function work in python with for loop [duplicate]
Merge a pandas dataframe with a list through an outer join
Pandas not able to open file with umlauts in path