@yilijiaer wrote:
Could you give me an example of using "order=" in CLASS statement to set reference levels?
Just correct the example in your own post:
Create a numeric format for the numeric variable bcd:
proc format;
value bcd
1 = 'D Q1'
...
Modify the PROC SURVEYREG step similarly to what you did already below your PROC FORMAT step:
proc surveyreg data=workdata order=formatted;
class bcd age ...;
format bcd bcd.;
model ...
... View more