get_new_tmp_var {admiraldev}

Get a New Temporary Variable Name for a Dataset

Description

Get a New Temporary Variable Name for a Dataset

Usage

get_new_tmp_var(dataset, prefix = "tmp_var")

Arguments

dataset

The input dataset

prefix

The prefix of the new temporary variable name to create

Details

The function returns a new unique temporary variable name to be used inside dataset. The temporary variable names have the structure prefix_n where n is an integer, e.g. tmp_var_1. If there is already a variable inside datset with a given prefix then the suffix is increased by 1, e.g. if tmp_var_1 already exists then get_new_tmp_var() will return tmp_var_2.

Value

The name of a new temporary variable as a symbol

See Also

remove_tmp_vars()

Examples

library(dplyr, warn.conflicts = FALSE)
dm <- tribble(
  ~DOMAIN,  ~STUDYID,      ~USUBJID,
  "DM",    "STUDY X", "01-701-1015",
  "DM",    "STUDY X", "01-701-1016",
)

tmp_var <- get_new_tmp_var(dm)
mutate(dm, !!tmp_var := NA)