Displaying 3 results from an estimated 3 matches for "pharmac".
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2011 Feb 06
1
random interaction effect in lmer
Hi dears while modeling an interaction random effect in lmer i receive the
instantaneous error message
> ldlM4<-lmer(ldl~rt*cd4+age+rf+pharmac+factor(hcv)+
+ hivdur+(rt:cd4|id),na.action=na.omit,REML=F)
*Warning message:
In mer_finalize(ans) : false convergence (8)
*
I think the matter lies in syntax, 'cause i sistematically receive the same
message even when changing response...
PS: the above model runs quite well in lme and only rar...
2011 Feb 08
3
intervals {nlme} lower CI greater than upper CI !!!????
Hi folks...
check this out..
> GLU<-lme(gluc~rt*cd4+sex+age+rf+nadir+pharmac+factor(hcv)+factor(hbs)+
+ haartd+hivdur+factor(arv),
+ random= ~rt|id, na.action=na.omit)
> intervals(GLU)$fixed
lower est. upper
(Intercept) 67.3467070345 7.362307e+01 7.989944e+01
rt *0.0148050160* 6.249304e-02 1.101811e-01
cd4...
2011 Feb 08
0
glht{multcomp} : use with lme {nlme}
Hi dears,
I do
> CHOL<-lme(chol~rt*cd4+sex+age+rf+nadir+pharmac+factor(hcv)+factor(hbs)+
haartd+hivdur+factor(arv),
random= ~rt|id, na.action=na.omit)
...runs sweet,..then
....try a multicomparisons approach for the categorical rf
> summary(glht(CHOL, linfct=mcp(rf="Tukey")))
*
Error in model.frame.default(object, data, xlev = xlev) :
l'o...