refit: Refit a mable to a new dataset

In fabletools: Core Tools for Packages in the 'fable' Framework

Refit a mable to a new dataset

Description

Applies a fitted model to a new dataset. For most methods this can be done with or without re-estimation of the parameters.

Usage

## S3 method for class 'mdl_df'
refit(object, new_data, ...)

## S3 method for class 'mdl_ts'
refit(object, new_data, ...)

Arguments

object	A mable.
new_data	A tsibble dataset used to refit the model.
...	Additional optional arguments for refit methods.

Examples

library(fable)

fit <- as_tsibble(mdeaths) %>% 
  model(ETS(value ~ error("M") + trend("A") + season("A")))
fit %>% report()

fit %>% 
  refit(as_tsibble(fdeaths)) %>% 
  report(reinitialise = TRUE)

fabletools documentation built on Oct. 12, 2023, 1:07 a.m.