Get the dimensionality of a measure column — get_measure_col_ndim • measure

Returns the number of dimensions (1 for measure_list, 2+ for measure_nd_list) of a measure column in a data frame.

Usage

get_measure_col_ndim(data, col)

Arguments

data: A data frame.
col: Character string naming the measure column.

Value

Integer indicating the number of dimensions.

Examples

library(recipes)

rec <- recipe(water + fat + protein ~ ., data = meats_long) |>
  update_role(id, new_role = "id") |>
  step_measure_input_long(transmittance, location = vars(channel)) |>
  prep()

result <- bake(rec, new_data = NULL)
get_measure_col_ndim(result, ".measures")  # 1
#> [1] 1