Hi...I a new to using the Proc Genmod procedure and I am using a model with the Class Variables Area and AgeGroup. After running the program, the output revealled that some of the AgeGroups can be combined. Is there a simple way of combining these AgeGroups together similiar to adding ref=<value> to the Class statement without having to this in the dataset before re-running the program. Thanks in Advance.
One generic approach for this type of issue is to not create specific variables for age but assign a format that creates the groups needed. Then you make a custom format with the desired groupings and assign that format during the procedure execution.
Example format code:
proc format;
value age5groups
10 - 25 = '10 to 25'
26 - 35 = '26 to 35'
36 - 45 = '36 to 45'
46 - 55 = '46 to 55'
55 - high='56+';
value age3groups
10 - 25 = '10 to 25'
26 - 45 = '26 to 45'
46 - high = '46+';
run;
Assuming you age is integer years. Use the different format in the procedure by adding:
format age age5groups. ;
or
format age age3groups. ;
One generic approach for this type of issue is to not create specific variables for age but assign a format that creates the groups needed. Then you make a custom format with the desired groupings and assign that format during the procedure execution.
Example format code:
proc format;
value age5groups
10 - 25 = '10 to 25'
26 - 35 = '26 to 35'
36 - 45 = '36 to 45'
46 - 55 = '46 to 55'
55 - high='56+';
value age3groups
10 - 25 = '10 to 25'
26 - 45 = '26 to 45'
46 - high = '46+';
run;
Assuming you age is integer years. Use the different format in the procedure by adding:
format age age5groups. ;
or
format age age3groups. ;
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