step_group_lag: Create Lag values by group
In gouthaman87/FoodDemandApp: Food demand forecast

step_group_lag

R Documentation

Create Lag values by group

step_group_lag creates a specification of a recipe step that will creates 1:4 & 10 lag values by group of user specified

step_group_lag(
  recipe,
  ...,
  role = "predictor",
  trained = FALSE,
  lag_table = NULL,
  skip = FALSE,
  id = recipes::rand_id("group_lag")
)

`recipe`	A recipe object. The step will be added to the sequence of operations for this recipe.
`...`	One or more selector functions to choose variables for this step. See `selections()` for more details.
`role`	Not used by this step since no new variables are created.
`trained`	A logical to indicate if the quantities for preprocessing have been estimated.
`lag_table`	Group Lag table with lag values. This is `NULL` until computed by `prep()`.
`skip`	A logical. Should the step be skipped when the recipe is baked by `bake()`? While all operations are baked when `prep()` is run, some operations may not be able to be conducted on new data (e.g. processing the outcome variable(s)). Care should be taken when using `skip = TRUE` as it may affect the computations for subsequent operations.
`id`	A character string that is unique to this step to identify it.