### Navigation

- index
- modules |
- next |
- previous |
- pandas 0.14.1 documentation »
- API Reference »
- pandas.DatetimeIndex »

# pandas.DatetimeIndex.cumsum

`DatetimeIndex.``cumsum`(axis=None, dtype=None, out=None)

  Return the cumulative sum of the elements along the given axis.

  Refer to numpy.cumsum for full documentation.

  See also

  `numpy.cumsum`
    equivalent function

### Navigation

- index
- modules |
- next |
- previous |
- pandas 0.14.1 documentation »
- API Reference »
- pandas.DatetimeIndex »