Second value assigned to a variable returns a dot instead of the value requested in the code

[newtriks]

Code is below. I'm trying to subset a file and assign a binary variable to an ordinal value in another variable. Problem is that the first value, YesTot=0, gets assigned but the second one, YesTot=1, returns only a dot instead of a 1

DATA SLOWN;
SET SLOWNA;
IF MAT_1 = 'No' OR MAT_2 = 'No' OR MAT_3 = 'No' THEN OUTPUT;
IF YesTot = 0 THEN Lower3Amt = 0; ELSE Lower3Amt = 1;
KEEP Record Reapp Matched YesTot Lower3Amt;
RUN;

Any and all help is appreciated. Thanks!

[Tom · Accepted solution]

You have written the observation before you gave Lower3Amt any value.  So its value is missing.

Move the creation of Lower3Amt to BEFORE the OUTPUT statement.

[newtriks]

That did the trick. THANK YOU!