The tool warns about imputed values for these two variables. When POOLID is used instead of USUBJID for FW records (which is very common), the tool doesn’t find the RFSTDTC and thinks the value is, therefore, imputed.
The tool warns about imputed values for these two variables. When POOLID is used instead of USUBJID for FW records (which is very common), the tool doesn’t find the RFSTDTC and thinks the value is, therefore, imputed.