# xarray.Dataset.groupby¶

Dataset.groupby(group, squeeze=True)

Returns a GroupBy object for performing grouped operations.

Parameters: group : str, DataArray or IndexVariable Array whose unique values should be used to group this array. If a string, must be the name of a variable contained in this dataset. squeeze : boolean, optional If “group” is a dimension of any arrays in this dataset, squeeze controls whether the subarrays have a dimension of length 1 along that dimension or if the dimension is squeezed out. grouped : GroupBy A GroupBy object patterned after pandas.GroupBy that can be iterated over in the form of (unique_value, grouped_array) pairs.