sorting by column in pandas
# Python, Pandas
# Sorting dataframe df on the values of a column col1
# Return sorted array without modifying the original one
df.sort_values(by=["col1"])
# Sort the original array permanently
df.sort_values(by=["col1"], inplace = True)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 4sort by two columns in pandas
df.sort_values(['a', 'b'], ascending=[True, False])sort dataframe by column
df.sort_values(by='col1', ascending=False, na_position='first', inplace=True)sort columns dataframe
df = df.reindex(sorted(df.columns), axis=1)Copyright © 2021 Codeinu
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