xarray.Dataset.rolling_exp#
- Dataset.rolling_exp(window=None, window_type='span', **window_kwargs)[source]#
Exponentially-weighted moving window. Similar to EWM in pandas
Requires the optional Numbagg dependency.
- Parameters
window (mapping of hashable to
int, optional) – A mapping from the name of the dimension to create the rolling exponential window along (e.g. time) to the size of the moving window.window_type (
{"span", "com", "halflife", "alpha"}, default:"span") – The format of the previously supplied window. Each is a simple numerical transformation of the others. Described in detail: https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.ewm.html**window_kwargs (optional) – The keyword arguments form of
window. One of window or window_kwargs must be provided.
See also