sort dataframe by column value code example
Example 1: sort a dataframe by a column valuepython
>>> df.sort_values(by=['col1'])
col1 col2 col3
0 A 2 0
1 A 1 1
2 B 9 9
5 C 4 3
4 D 7 2
3 NaN 8 4
Example 2: df sort values
>>> df.sort_values(by=['col1'], ascending = False)
col1 col2 col3
0 A 2 0
1 A 1 1
2 B 9 9
5 C 4 3
4 D 7 2
3 NaN 8 4
Example 3: sort dataframe by column
df.sort_values(by='col1', ascending=False, na_position='first', inplace=True)
Example 4: sort columns dataframe
df = df.reindex(sorted(df.columns), axis=1)