Skip to contents

Convert List of Groups to Data Frame

Source: R/split_cols_by_groups.R
groups_list_to_df.Rd

This converts a list of group levels into a data frame format which is expected by rtables::add_combo_levels().

Usage 

groups_list_to_df(groups_list)

Arguments

groups_list

(named list of character)
specifies the new group levels via the names and the levels that belong to it in the character vectors that are elements of the list.

Value

tibble::tibble() in the required format.

Examples 

grade_groups <- list(
  "Any Grade (%)" = c("1", "2", "3", "4", "5"),
  "Grade 3-4 (%)" = c("3", "4"),
  "Grade 5 (%)" = "5"
)
groups_list_to_df(grade_groups)
#> # A tibble: 3 × 4
#>   valname  label         levelcombo exargs    
#>   <chr>    <chr>         <list>     <list>    
#> 1 AnyGrade Any Grade (%) <chr [5]>  <list [0]>
#> 2 Grade34  Grade 3-4 (%) <chr [2]>  <list [0]>
#> 3 Grade5   Grade 5 (%)   <chr [1]>  <list [0]>