SAS replaces the missing values as it encounters values that you assign to the variables. Thus, if you use program statements to create new variables, their values in each observation are missing ...
Automatic variables that are created by specific statements are documented with those statements. For examples, see the BY statement, the MODIFY statement, and the WINDOW statement in SAS Language ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback