xarray.core.rolling_exp.RollingExp¶
-
class
xarray.core.rolling_exp.
RollingExp
(obj, windows, window_type='span')¶ Exponentially-weighted moving window object. Similar to EWM in pandas
- Parameters
windows (A single mapping from a single dimension name to window value) –
- dimstr
Name of the dimension to create the rolling exponential window along (e.g., time).
- windowint
Size of the moving window. The type of this is specified in window_type
window_type (str, one of ['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/generated/pandas.DataFrame.ewm.html
- Returns
RollingExp
- Return type
type of input argument
-
__init__
(self, obj, windows, window_type='span')¶ Initialize self. See help(type(self)) for accurate signature.
Methods
__init__
(self, obj, windows[, window_type])Initialize self.
mean
(self)Exponentially weighted moving average