xarray.Dataset.reduce

Dataset.reduce(func, dim=None, keep_attrs=None, numeric_only=False, allow_lazy=False, **kwargs)

Reduce this dataset by applying func along some dimension(s).

Parameters
funcfunction

Function which can be called in the form f(x, axis=axis, **kwargs) to return the result of reducing an np.ndarray over an integer valued axis.

dimstr or sequence of str, optional

Dimension(s) over which to apply func. By default func is applied over all dimensions.

keep_attrsbool, optional

If True, the dataset’s attributes (attrs) will be copied from the original object to the new one. If False (default), the new object will be returned without attributes.

numeric_onlybool, optional

If True, only apply func to variables with a numeric dtype.

**kwargsdict

Additional keyword arguments passed on to func.

Returns
reducedDataset

Dataset with this object’s DataArrays replaced with new DataArrays of summarized data and the indicated dimension(s) removed.