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set index to column pandas

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

pandas df make set index column

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

df set index

df.set_index(['col1', 'col2'])
Comment

set index values pandas

# Create a Pandas dataframe
df = pd.DataFrame({'A':[1, 2, 3, 4],
				   'B':[5, 6, 7, 8]})

# Rename index values for each row
df.set_axis(['Row_1', 'Row_2', 'Row_3', 'Row_4'], axis = 'index', inplace = True)
Comment

pd df set index

df.set_index('month')
Comment

Pandas Set index

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

set index pandas

Pandas dataframe set-index
Comment

set index pandas

Pandas dataframe set-index()
Comment

set index pandas

Pandas dataframe set-index
Comment

set index pandas

Pandas dataframe set-index
Comment

set index pandas

Pandas dataframe set-index
Comment

pandas set index

>>> df.index = [x for x in range(1, len(df.values)+1)]
>>> df
             name                  job  score
1  'Pete Houston'  'Software Engineer'     92
2     'John Wick'           'Assassin'     95
3   'Bruce Wayne'             'Batman'     99
4    'Clark Kent'           'Superman'     96
Comment

set index pandas

Pandas dataframe set-index()
Comment

set index pandas

Pandas dataframe set-index()
Comment

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