# cf.Data.binary_mask

`Data.``binary_mask`

  A binary (0 and 1) mask of the data array.

  The binary mask’s data array comprises dimensionless 8-bit integers and has 0 where the data array has missing data and 1 otherwise.

  See also

  `mask`

  Returns: | out: Data The binary mask.
  Examples: |

      >>> print d.mask.array
      [[ True False  True False]]
      >>> b = d.binary_mask.array
      >>> print b
      [[0 1 0 1]]