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Pandas collect-set operator on a groupby object
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| # author: @Daniel_Abeles | |
| # date: 13/02/2018 | |
| # assuming we have a data frame called "df" | |
| # we can "groupby" by a column col1 | |
| # and collect all the distinct values of col2 | |
| df.groupby("col1").agg({ | |
| "col2": lambda x: set(x) | |
| }) |
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