Set value based on column

Pandas replace values in column based on condition

In [41]:
df.loc[df['First Season'] > 1990, 'First Season'] = 1
df

Out[41]:
                 Team  First Season  Total Games
0      Dallas Cowboys          1960          894
1       Chicago Bears          1920         1357
2   Green Bay Packers          1921         1339
3      Miami Dolphins          1966          792
4    Baltimore Ravens             1          326
5  San Franciso 49ers          1950         1003

Source: stackoverflow.com

Set value based on column

df.loc[df['c1'] == 'Value', 'c2'] = 10

Rename rows pandas based on condiions

df.loc[(df.Event == 'Dance'),'Event']='Hip-Hop'
df

Source: kanoki.org

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