Identify a Time Variable
Find the element of nms
that looks like an time variable. If no elements look like a time variable, or if two or more elements do, then return NULL
.
find_var_time(nms)
nms
: A character vectorAn element of nms
, or NULL
.
find_var_time(c("Sex", "Year", "AgeGroup", NA)) ## one valid find_var_time(c("Sex", "Region")) ## none valid find_var_time(c("time", "year")) ## two valid
find_var_age()
, find_var_sexgender()
Useful links