Python Pandas Select Group Where A Specific Column Contains Zeroes
I'm working on a small project using Python Pandas and I'm stuck at the following problem: I have a table where column A contains multiple and possibly non unique values and a seco
Solution 1:
One way is to get all values of column A where column B is zero, and then group on this filtered set.
groups = df[df['Column B'] == 0]['Column A'].unique()
>>> df[df['Column A'].isin(groups)]
Column A Column B
2 f 0
5 f 10
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