Date:         Thu, 22 Oct 2009 10:06:26 -0700
Reply-To:     tarpon <tarponquest@GMAIL.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         tarpon <tarponquest@GMAIL.COM>
Organization: http://groups.google.com
Subject:      anova "type" models in proc mixed
Comments: To: sas-l@uga.edu
Content-Type: text/plain; charset=windows-1252

we're trying to get some input about a simple model we've constructed
to predict fish abundance....groups of a particular species of fish
were collected during certain water quality conditions throughout
multiple days during a study year.....is the model below an abuse of
the proc mixed technique?  we "blocked" for date and location with the
random statement b/c we feared that fish were disproportional in
distribution but felt that the water quality parameters were a
legitimate way to predict which environmental components structed
their abundance…..suggestions


proc mixed data = new; title "earlu juv sunfishes both years ";
class      real_date   location julian_day;
model fish  =   do temp_c  daylight  riverheight
  ph flow conductivity
/ solution htype=1 htype=3 outpred=X1;
random  real_date location
/ solution;
run;

proc univariate data = X1 normal plot;
var resid;
run;quit;