Get unique vars — get_unique_vars • clinsight

Get all unique values from variables that are available within a data frame or a list of dataframes.

Usage

get_unique_vars(data, var)

Arguments

data: Either a list of data frames or a data frame.
var: Column names to extract the unique variables from

Value

A data frame with unique values.

Examples

if (FALSE) { # \dontrun{
 list_with_data <- list(
  data.frame(
    "Sites" = c("site_1", "site_3", "site_4"),
    "ID" = c("subj_1", "subj_5", "subj_8")
    ),
 data.frame(
    "Sites" = c("site_1", "site_3", "site_9"),
    "ID" = c("subj_7", "subj_9", NA_character_)
    )
 )

 get_unique_vars(list_with_data, c("Sites", "ID"))
} # }