fable (version 0.3.3)

refit.ETS: Refit an ETS model

Description

Applies a fitted ETS model to a new dataset.

Usage

# S3 method for ETS
refit(
  object,
  new_data,
  specials = NULL,
  reestimate = FALSE,
  reinitialise = TRUE,
  ...
)

Arguments

object

A model for which forecasts are required.

new_data

A tsibble containing the time points and exogenous regressors to produce forecasts for.

specials

(passed by fabletools::forecast.mdl_df()).

reestimate

If TRUE, the coefficients for the fitted model will be re-estimated to suit the new data.

reinitialise

If TRUE, the initial parameters will be re-estimated to suit the new data.

...

Other arguments passed to methods

Examples

lung_deaths_male <- as_tsibble(mdeaths)
lung_deaths_female <- as_tsibble(fdeaths)

fit <- lung_deaths_male %>%
  model(ETS(value))

report(fit)

fit %>%
  refit(lung_deaths_female, reinitialise = TRUE) %>%
  report()