Create USUBJID from RID and SITEID

This function is used to create USUBJID from RID and SITEID.

Usage

create_usubjid(x, y)

Arguments

x

RID variable

y

SITEID variable

Value

A character vector of the same size as the input args with STUDYID- prefix.

See also

Other ID format functions: convert_usubjid_to_rid()