06-26-2016 10:29 AM
Ok. So what do you want as an output?
Missing values for character variables are spaces and a period for numeric. You can also look into the missing function.
The docs are pretty clear on missing values.
06-26-2016 11:49 PM
input id name $ gender $;
if missing(id) then Miss_id="Yes Id missing";
if missing(name) then Miss_name="Yes name missing";
if missing(gender) then Miss_gender="Yes gender missing";
101 ram male
. tony male
103 . female