statsmodels.tsa.exponential_smoothing.ets.ETSResults.forecast¶ ETSResults.forecast(steps=1)[source]¶ Out-of-sample forecasts Parameters: stepsint, str, or datetime, optionalIf an integer, the number of steps to forecast from the end of the sample. Can also be a date string to parse or a datetime type. However, if the dates index does not have a fixed frequency, steps must be an integer. Default Returns: forecastndarrayArray of out of sample forecasts. A (steps x k_endog) array.