mpas_analysis.shared.mpas_xarray.mpas_xarray.subset_variables

mpas_analysis.shared.mpas_xarray.mpas_xarray.subset_variables(ds, variableList)[source]

Given a data set and a list of variable names, returns a new data set that contains only variables with those names.

Parameters:

ds (xarray.DataSet object) – The data set from which a subset of variables is to be extracted.
variableList (string or list of strings) – The names of the variables to be extracted.

Returns:

ds (xarray.DataSet object) – A copy of the original data set with only the variables in variableList.

Raises:

ValueError – If the resulting data set is empty.