# cf.Data.nbytes

`Data.``nbytes`

  Total number of bytes consumed by the elements of the array.

  Does not include bytes consumed by the array mask

  Examples: |

      >>> d = cf.Data([[1, 1.5, 2]])
      >>> d.dtype
      dtype('float64')
      >>> d.size, d.dtype.itemsize
      (3, 8)
      >>> d.nbytes
      24
      >>> d[0] = cf.masked
      >>> print d.array
      [[-- 1.5 2.0]]
      >>> d.nbytes
      24