Theta method

The Theta method (Assimakopoulos & Nikolopoulos, 2000), equivalent to simple exponential smoothing with drift, applied to the series seasonally adjusted by classical multiplicative decomposition when it is seasonal.

Usage

model_theta()

Value

A model specification, to use with fit_model(), forecast_model() or backtest().

See also

Other models: model_arima(), model_auto_arima(), model_box_cox(), model_croston(), model_decomposed(), model_ensemble(), model_ets(), model_holt_winters(), model_log_linear(), model_mean(), model_prophet(), model_tbats()

Examples

forecast_model(model_theta(), AirPassengers, h = 3)
#>           Jan      Feb      Mar
#> 1961 440.0767 428.3829 489.7055