the length statement in SAS? -


the following simple sas program:

libname learn = 'c:\books\learning'; data learn.test_scores;   length id $ 3 name $ 15;   input id $ score1-score3;   label id ='student id';         score1='math score';         score2='science score';         score3='english score'; datalines; 1 90 95 98 2 78 77 75 3 88 91 92 ;

my question length statement. so, name $15 mean? variable name? many thanks.

the length statement have define 2 variables. id defined character variable room maximum of 3 characters (bytes). , name defined character room maximum of 15 characters.

nowhere in program assign values variable name blank observations.

note have many semi-colons in label statement. cause last 3 lines of interpreted attempts assign character constants numeric variables score1, score2 , score3. cause error message , values of these variables missing.


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