Answers for "how to set index for a dataframe in python"

how to set index pandas

# assignment copy
df = df.set_index('month')

# or inplace
df.set_index('month', inplace=True)

#      year   sale  month            month  year   sale
#  0   2012   55    1                1      2012   55
#  1   2014   40    4       =>       4      2014   40
#  2   2013   84    7                7      2013   84
#  3   2014   31    10               10     2014   31

Posted by: Guest on March-15-2021

set index to column pandas

df = df.set_index('col')
df['col'] = df.index

Posted by: Guest on December-01-2020

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