set index to column pandas
df = df.set_index('col')
df['col'] = df.indexset index to column pandas
df = df.set_index('col')
df['col'] = df.indexchange dataframe value by index
x y
A NaN NaN
B NaN NaN
C NaN NaN
df.at['C', 'x'] = 10how to change index in dataframe python
index = [1,2]
df.index = indexchange index to dataframe pandas
#cree un indice par defaut sur la base de donnee
df.reset_index()dataframe change index
>>> df.set_index('month')
year sale
month
1 2012 55
4 2014 40
7 2013 84
10 2014 31Copyright © 2021 Codeinu
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