Pandas Set index

Set index to column pandas

# method A
df = df.set_index('col')
# method B
df['col'] = df.index

How to change index in dataframe python

index = [1,2]
df.index = index

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

Source: pandas.pydata.org

Pandas df make set index column

df.reset_index(inplace=True)
df = df.rename(columns = {'index':'new column name'})

Source: datatofish.com

Pandas Set index

>>> college_idx = college.set_index('instnm')>>> sats = college_idx[['satmtmid', 'satvrmid']].dropna()>>> sats.head()

Source: medium.com

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