rafaelc

rafaelc has asked 5 questions and find answers to 133 problems.

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About

~1+ million people reached

UFRJ and Columbia University alum.

Currently with ML Engineering at Google. Formerly with AI Quants at Morgan Stanley.

Tags: python, pandas, numpy, tensorflow

rafaelc questions

How to divide a tuple into two in pythonic way
Difference between bytearray and list
What is a property object?
Why is a list comprehension so much faster than appending to a list?

rafaelc answers

Pandas adding empty column of objects to dataframe [duplicate]
Frequency counts for a pandas column of lists
Convert numpy matrix to pandas dataframe or series by row
Repeat each element of a matrix in as a block into a new matrix [duplicate]
Can you join dataframes with multiple keys in one of the joining columns?
Pandas DataFrame, default data type for 1, 2, 3, and NaN values
Dataframe with all possible Sums of two arrays in Python
Tweepy won't install on python 3.7; shows "syntax error"
Concatenate lists of strings by day in Pandas Dataframe
Collapsing rows with NaN entries in pandas dataframe