step_subset_rows: step_subset_rows

In jkennel/hydrorecipes: Hydrogeology steps

step_subset_rows

Description

selects rows from output.

Usage

step_subset_rows(.rec, terms, row_numbers, role = "modify", ...)

Arguments

.rec	the R6 recipe object.
terms	the unquoted names of the variables to use or a selector function. terms replaces the '...' of the recipes package but requires variables to be included within 'c()'. For example to include variables x and y you would write 'c(x,y)' in the hydrorecipes package.
row_numbers	integer vector of row numbers to keep.
role	character - the name of the role
...	additional arguments

Value

an updated recipe

Examples

dat <- data.frame(x = as.numeric(1:200),
y = rnorm(200))
formula <- as.formula(y~x)

frec1 = recipe(formula = formula, data = dat) |>
  step_subset_rows(y, row_numbers = c(1, 5, 10)) |>
  plate("dt")

jkennel/hydrorecipes documentation built on Dec. 24, 2024, 5:38 p.m.