xarray.core.groupby.DataArrayGroupBy.mean¶
-
DataArrayGroupBy.
mean
(dim=None, axis=None, skipna=None, **kwargs)¶ Reduce this DataArrayGroupBy’s data by applying mean along some dimension(s).
- Parameters
dim (
str
or sequence ofstr
, optional) – Dimension(s) over which to apply mean.axis (
int
or sequence ofint
, optional) – Axis(es) over which to apply mean. Only one of the ‘dim’ and ‘axis’ arguments can be supplied. If neither are supplied, then mean is calculated over axes.skipna (
bool
, optional) – If True, skip missing values (as marked by NaN). By default, only skips missing values for float dtypes; other dtypes either do not have a sentinel missing value (int) or skipna=True has not been implemented (object, datetime64 or timedelta64).keep_attrs (
bool
, optional) – If True, the attributes (attrs) will be copied from the original object to the new one. If False (default), the new object will be returned without attributes.**kwargs (
dict
) – Additional keyword arguments passed on to the appropriate array function for calculating mean on this object’s data.
- Returns
reduced – New DataArrayGroupBy object with mean applied to its data and the indicated dimension(s) removed.
- Return type