selectors: ARD Selectors

In cards: Analysis Results Data

ARD Selectors

Description

These selection helpers match variables according to a given pattern.

• all_ard_groups(): Function selects grouping columns, e.g. columns named "group##" or "group##_level".

• all_ard_variables(): Function selects variables columns, e.g. columns named "variable" or "variable_level".

• all_ard_group_n(): Function selects n grouping columns.

• all_missing_columns(): Function selects columns that are all NA or empty.

Usage

all_ard_groups(types = c("names", "levels"))

all_ard_variables(types = c("names", "levels"))

all_ard_group_n(n)

all_missing_columns()

Arguments

types	(character) type(s) of columns to select. "names" selects the columns variable name columns, and "levels" selects the level columns. Default is c("names", "levels").
n	(integer) integer(s) indicating which grouping columns to select.

Value

tidyselect output

Examples

ard <- ard_categorical(ADSL, by = "ARM", variables = "AGEGR1")

ard |> dplyr::select(all_ard_groups())
ard |> dplyr::select(all_ard_variables())

cards documentation built on Oct. 4, 2024, 1:09 a.m.