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Angmar
Obsidian | Level 7

I'm trying to run proc mixed with a variable (drug) that has three components to it (drugs a, b, and c). How do I change the code to run proc mixed ONLY on drugs a and b?

 

 

PROC MIXED DATA=lec2.fevlong ORDER=DATA;
CLASS pid drug timehr;
MODEL y=drug timehr drug*timehr/S CHISQ;
REPEATED timehr /TYPE=UN SUBJECT=pid R RCORR;
RUN;

1 ACCEPTED SOLUTION

Accepted Solutions
ballardw
Super User

Without seeing actual values of the variable drug this is just a generic response:

Add a WHERE statement.

 

PROC MIXED DATA=lec2.fevlong ORDER=DATA;

WHERE data in ('drug a' 'drug b');
CLASS pid drug timehr;
MODEL y=drug timehr drug*timehr/S CHISQ;
REPEATED timehr /TYPE=UN SUBJECT=pid R RCORR;
RUN;

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1 REPLY 1
ballardw
Super User

Without seeing actual values of the variable drug this is just a generic response:

Add a WHERE statement.

 

PROC MIXED DATA=lec2.fevlong ORDER=DATA;

WHERE data in ('drug a' 'drug b');
CLASS pid drug timehr;
MODEL y=drug timehr drug*timehr/S CHISQ;
REPEATED timehr /TYPE=UN SUBJECT=pid R RCORR;
RUN;

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