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 vote155 views1 answer
At=error code=h10 desc= app crashed python flask
Python Flask
2 votes114 views1 answer
Python get ip from hostname
Python
2 votes125 views3 answers
Python relative path
Python
1 vote141 views3 answers
Exponential python
Python
0 vote121 views1 answer
Random.choices without repetition
Python
0 vote209 views1 answer
Flask request file push request(uploadedfile= request.file) uploadedfile.read()
Python Flask
1 vote133 views1 answer
Characters python
Python
16 votes124 views5 answers
Set window size tkinter
Python
0 vote123 views1 answer
How to make an entire dataframe show in jupyter
Python
0 vote132 views3 answers
Ipynb to py online converter
Python