pandas change index to column code example

Example 1: pandas convert index to column

df.reset_index(inplace=True)

Example 2: set index to column pandas

df = df.set_index('col')
df['col'] = df.index

Example 3: pandas create a column from index

df.reset_index(level=0, inplace=True)

Example 4: how to change index in dataframe python

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

Example 5: change index to dataframe pandas

#cree un indice par defaut sur la base de donnee
df.reset_index()

Example 6: how to change indeces in pandas dataframe

>>> df = pd.DataFrame({'month': [1, 4, 7, 10],
...                    'year': [2012, 2014, 2013, 2014],
...                    'sale': [55, 40, 84, 31]})
>>> df
   month  year  sale
0      1  2012    55
1      4  2014    40
2      7  2013    84
3     10  2014    31