21Savage | This is a full-stack 21Savage Fan Site | SQL Database library
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QUESTION
I have a dataframe containing a column of subreddits and another column containing authors who have commented in that subreddit. Here is a snapshot:
...ANSWER
Answered 2018-May-11 at 01:57I don't know if you can get around using loops. This seems pretty similar to how you would calculate a correlation matrix, which uses loops in the pandas documentation. At least it's symmetric so you only have to compare half of them.
Instead of calculating a correlation, you want to find the number of elements that are shared between two lists lst1
and lst2
which is len(set(lst1) & set(lst2))
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