https://communities.sas.com/t5/Statistical-Procedures/REPEAT-or-RANDOM-in-Proc-Mixed/m-p/309730#M16384 <P>This is covered extensively in the text&nbsp;<EM>SAS for Mixed Models, 2nd ed.</EM> by Littell et al. &nbsp;I strongly recommend that you get a copy as it will cover this, and much more that you will need to know.</P> <P>&nbsp;</P> <P>Steve Denham</P> Mon, 07 Nov 2016 14:24:02 GMT SteveDenham 2016-11-07T14:24:02Z https://communities.sas.com/t5/Statistical-Procedures/REPEAT-or-RANDOM-in-Proc-Mixed/m-p/309594#M16376 <P>Recently I am learning to use <STRONG>Proc Mixed</STRONG> and found it's so confusing about selecting <STRONG><EM>REPEAT</EM></STRONG> or <STRONG><EM>RANDOM</EM></STRONG>. Sometimes they both produce the same results. Is there anyone to be able to help? Thank you.</P> Sun, 06 Nov 2016 16:02:25 GMT https://communities.sas.com/t5/Statistical-Procedures/REPEAT-or-RANDOM-in-Proc-Mixed/m-p/309594#M16376 Jerrya00 2016-11-06T16:02:25Z https://communities.sas.com/t5/Statistical-Procedures/REPEAT-or-RANDOM-in-Proc-Mixed/m-p/309730#M16384 <P>This is covered extensively in the text&nbsp;<EM>SAS for Mixed Models, 2nd ed.</EM> by Littell et al. &nbsp;I strongly recommend that you get a copy as it will cover this, and much more that you will need to know.</P> <P>&nbsp;</P> <P>Steve Denham</P> Mon, 07 Nov 2016 14:24:02 GMT https://communities.sas.com/t5/Statistical-Procedures/REPEAT-or-RANDOM-in-Proc-Mixed/m-p/309730#M16384 SteveDenham 2016-11-07T14:24:02Z