Displaying 1 result from an estimated 1 matches for "timecat".
2009 Jun 23
1
nested cross-sectional design using lmer or nlme
...nbalanced Murray
et al. discuss the appropriate analysis of such studies (Analysis of
data from group-randomized trials with repeat observations on the same
groups, Stats in Med. 17, 1581-1600). They offer three examples of
SAS code - one of which is as follow:
proc mixed;
class cond unit timecat;
model y=cond timecat cond*timecat/ddfm=res;
random int timecat/subject=unit(cond);
run;
cond is 0/1 corresponding to control/intervention
timecat is 0/1 corresponding to baseline/follow-up
unit is 1 to 39 and identifies the communities.
and y is a continuous score
I've read the random st...