make index column pandas code example
Example 1: pandas convert index to column
df.reset_index(inplace=True)
Example 2: pandas create a column from index
df.reset_index(level=0, inplace=True)
Example 3: how to make index column as a normal column
df.reset_index(level=0, inplace=True)
Example 4: how to make index column as a normal column
>>> df.reset_index(level=['tick', 'obs'])
tick obs val
tag
C 2016-02-26 2 0.0139
A 2016-02-27 2 0.5577
C 2016-02-28 6 0.0303