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

Similar codes

0 vote104 views1 answer
Strip array of strings python
Python
0 vote122 views1 answer
Issue TypeError: ‘numpy.float64’ object cannot be interpreted as an integer
Python
68 votes107 views6 answers
Create folders in python
Python
9 votes100 views4 answers
Display full dataframe pandas
Python
14 votes106 views3 answers
How to get id of user discord.py
Python
0 vote119 views2 answers
Split list python percent
Python
0 vote120 views1 answer
Spliting the text to lines and keep the deliminaters python
Python
0 vote111 views1 answer
Python window icon on task bar
Python
1 vote68 views1 answer
Plot dictionary python
Python
0 vote101 views1 answer
How to install package offline
Python