Answers for "reset index dataframe"

reset_index pandas

df.reset_index(drop=True, inplace=True)

reset index pandas

df.reset_index(drop=True)

reset_index(drop=true)

In [194]: df.reset_index(drop=True)
Out[194]: 
  _worker_id  foo
0          A    1
1          B    2
2          C    3

pandas reset index start from 0

gapminder_ocean.reset_index(drop=True, inplace=True)

pandas drop integer index

In [5055]: idx = np.ones(len(df.index), dtype=bool)

In [5057]: idx[rowindex] = False

In [5058]: df.iloc[idx]     # or df.loc[idx]
Out[5058]:
                            A         B         C
2015-10-22 09:40:00  0.704959  0.995358  0.355915
2015-10-22 09:40:00  0.151127  0.398876  0.240856
2015-10-22 09:50:00  0.343456  0.513128  0.666625
2015-10-22 10:00:00  0.105908  0.130895  0.321981