Helper for factor (level) adjustment of spec

Helper for factor (level) adjustment of spec

Usage

check_adjust_adsl_factors(spec, fctrs, entry = "adsl")

Arguments

spec

object of class martini_spec

fctrs

named list(column in data) of named vectors with factor levels (values) and labels (names)

entry

name of spec entry to modify, defaults to 'adsl'

Value

subset of fctrs that are valid to apply, NULL if none

Details

The function checks if the modifications to the factor definitions provided in fctrs are valid:

• The names of fctrs top level entries must be present in the data of the entry (checked by attached data or dictionary). Else: ignore with message

• The factor levels provided must contain all current/known levels. Else: ignore with warning.

• New factor levels (not seen in data) can be introduced (with message)

• if only levels are provided, labels are created via purrr::set_names()