create new column with mask pandas
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showing results for - "create new column with mask pandas"
Adaline
21 Jan 2019
1mask0 = (df['condition'] == 1)
2mask1 = (df['condition'] == 0)
3
4df.loc[mask0, 'newColumn'] = df.loc[mask0, 'otherColumn1']
5df.loc[mask1, 'newColumn'] = df.loc[mask1, 'otherColumn2']
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