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Use for data science questions related to the programming language Python. Not intended for general coding questions (which should be asked on Stack Overflow).

6 votes
Accepted

Calculating the Standard Deviation by category using Python

You can easily do this using pandas: import pandas as pd import numpy as np df = pd.DataFrame([["AA", 1], ["AA", 3], ["BB", 3], ["CC", 5], ["BB", 2], ["AA", -1]]) df.columns = ["Category", "Score"] …
Stergios's user avatar
  • 320
7 votes
4 answers
10k views

From pairwise comparisons to ranking - python

Any python package that has, at least partially, the functionality I'm looking for? EDIT: I have the pairwise probs for for all possible pairs of i and j. …
Stergios's user avatar
  • 320