# cf.CellMeasure.var

`CellMeasure.``var`()

  The unweighted sample variance of the data array.

  See also

  `collapse`, `max`, `mean`, `mid_range`, `min`, `range`, `sample_size`, `sd`, `sum`

  Examples 1: |

      >>> d = f.var()

  Returns: | out: `cf.Data` The unweighted variance of the data array.
  Examples 2: |

      >>> f.data
      <CF Data: [[[236.512756348, ..., 256.93371582]]] K>
      >>> f.var()
      514.611608515
      >>> f.var().data
      <CF Data: 514.611608515 K2>