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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"]
…
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. …