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Convert to a Forecast Task

as_task_fcst.Rd

Convert object to a TaskFcst. This is a S3 generic. mlr3forecast ships with methods for the following objects:

  1. TaskRegr: ensure the identity

  2. data.frame() and DataBackend: provides an alternative to the constructor of TaskFcst.

Usage

as_task_fcst(x, ...)

# S3 method for class 'TaskFcst'
as_task_fcst(x, clone = FALSE, ...)

# S3 method for class 'DataBackend'
as_task_fcst(
  x,
  target = NULL,
  index = NULL,
  key = NULL,
  id = deparse1(substitute(x)),
  label = NA_character_,
  ...
)

# S3 method for class 'data.frame'
as_task_fcst(
  x,
  target = NULL,
  index = NULL,
  key = NULL,
  id = deparse1(substitute(x)),
  label = NA_character_,
  ...
)

Arguments

x

(any)
Object to convert.

...

(any)
Additional arguments.

clone

(logical(1))
If TRUE, ensures that the returned object is not the same as the input x.

target

(character(1))
Name of the target column.

index

(character(1))
Name of the column in the data containing the index.

id

(character(1))
Id for the new task. Defaults to the (deparsed and substituted) name of the data argument.

label

(character(1))
Label for the new instance.

Value

TaskFcst.

Examples

airpassengers = tsbox::ts_dt(AirPassengers)
data.table::setnames(airpassengers, c("date", "passengers"))
as_task_fcst(airpassengers, target = "passengers", index = "date")
#> <TaskFcst:airpassengers> (144 x 2)
#> * Target: passengers
#> * Properties: -
#> * Features (1):
#>   - dte (1): date
#> * Order by: date