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I'm working on a Kaggle challenge where some variables are represented by rows instead of columns (Telstra Network Disruption). I am currently searching for the equivalent of gather(), separate() and spread(), which can be found in R tidyr tool.

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I'd start with the melt() function in pandas. I wrote an article about it:

https://www.ibm.com/developerworks/community/blogs/jfp/entry/Tidy_Data_In_Python?lang=en

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R's gather() essentially goes from wide to long. So,

  1. check pandas page for how to use pandas.wide_to_long(),
  2. check this blog for a discussion on getting an elegant gather-like function in Python.
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I tried to syntactically mimic the tidyr package in python in a package called tidypython. I made it compatible with the dplython package, which includes usage of the >> operator for chaining commands.

It hasn't been fully tested, but should work pretty well:

https://github.com/durrantmm/tidypython

Let me know if it works for you.

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