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tbanh
Fluorite | Level 6

Hi all,

 

I have a dataset below and I wanted to fit a mixed model using PROC MIXED. I have a BY variable named Size, which indicates the sample size. I was wondering if there was any way I could limit the analyses to just Size = 5. So something like:

 

PROC MIXED data = SimulatedData;
by Size = 5;
model...;
random...;
repeated...;
run;

but the BY statement will not allow me to specify a certain condition for the variable. Does anybody have any ideas?

 

Screen Shot 2016-03-04 at 3.23.57 PM.png

 

4 REPLIES 4
ballardw
Super User

Try

WHERE size=5;

tbanh
Fluorite | Level 6
In the BY statement?

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Reeza
Super User

If you only have one size the BY doesn't matter - you only have one set of results. 

The WHERE is its own statement. 

 

You our can leave the BY in, if your using it to generate titles. 

lvm
Rhodochrosite | Level 12 lvm
Rhodochrosite | Level 12

To be clear, use:

proc mixed data=simulateddata(where=(size=5));

...

 

 

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