JohnE

JohnE has asked 18 questions and find answers to 135 problems.

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About

~~Applied Economist~~

Data Scientist

¯\(ツ)/¯

JohnE questions

Select only the column names that contain a specific string
Reading encrypted files into pandas
Decrypting a file to a stream and reading the stream into pandas (hdf or stata)
Segmentation fault for array, but only if a component of a derived type
Correctly setting random seeds for repeatability
Distribution-type graphs (histogram/kde) with weighted data
Map vs applymap when passing a dictionary
Minimize quadratic function subject to linear equality constraints with SciPy
Why is numba faster than numpy here?
StringIO and pandas read_csv

JohnE answers

Percentage match in pandas Dataframe
Using latest panda APIs to compute exponential moving average
chunksize isn't starting from first row in csv file
pandas apply with inputs from multiple rows
Mark interpolated NaN points in Pandas plot
Python pandas - select rows based on groupby
Fast, efficient way to remove rows from large Pandas DataFrame
Why can't I get the type of a Pandas cell from a function?
Replicating SAS' first and last functionality with Python
pandas: concatenate dataframes, forward-fill and multiindex on column data