statsmodels.tsa.holtwinters.HoltWintersResults.predict¶

HoltWintersResults.predict(start=None, end=None)[source]¶

In-sample prediction and out-of-sample forecasting

Parameters:¶

startint, str, or datetime, optional

Zero-indexed observation number at which to start forecasting, ie., the first forecast is start. Can also be a date string to parse or a datetime type. Default is the the zeroth observation.

endint, str, or datetime, optional

Zero-indexed observation number at which to end forecasting, ie., the first forecast is start. Can also be a date string to parse or a datetime type. However, if the dates index does not have a fixed frequency, end must be an integer index if you want out of sample prediction. Default is the last observation in the sample.

Returns:¶

forecastndarray

Array of out of sample forecasts.