# xarray.Dataset.isin

`Dataset.``isin`(test_elements)

  Tests each value in the array for whether it is in test elements.

  Parameters: | test_elements (array_like) – The values against which to test each value of element. This argument is flattened if an array or array_like. See numpy notes for behavior with non-array-like parameters.
  Returns: | isin – Has the same shape as this object.
  Return type: | same as object, bool

  Examples

      >>> array = xr.DataArray([1, 2, 3], dims='x')
      >>> array.isin([1, 3])
      <xarray.DataArray (x: 3)>
      array([ True, False,  True])
      Dimensions without coordinates: x

  See also

  `numpy.isin()`