xarray.DataArray.isnull (original) (raw)

DataArray.isnull(keep_attrs=None)[source]#

Test each value in the array for whether it is a missing value.

Parameters:

keep_attrs (bool or None, optional) – If True, the attributes (attrs) will be copied from the original object to the new one. If False, the new object will be returned without attributes.

Returns:

isnull (DataArray or Dataset) – Same type and shape as object, but the dtype of the data is bool.

Examples

array = xr.DataArray([1, np.nan, 3], dims="x") array <xarray.DataArray (x: 3)> Size: 24B array([ 1., nan, 3.]) Dimensions without coordinates: x array.isnull() <xarray.DataArray (x: 3)> Size: 3B array([False, True, False]) Dimensions without coordinates: x