fable (version 0.3.2)

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

The time series model used to produce the forecasts

new_data

A tsibble containing future information used to forecast.

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.

...

Additional arguments for forecast model 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()