[R-sig-ME] Multivariate Linear Mixed Model in lme4

[David Afshartous]

Muhammad,

See previous discussion at http://markmail.org/thread/x3vvbuqvpsdbjz5h, 
and the article by Doran that is mentioned.

Cheers,
david




On 10/22/2011 02:47 PM, Muhammad Yaseen wrote:
> Hello All,
>
> I wonder how to fit multivariate linear mixed model with `lme4`. I fitted
> univariate linear mixed models with the following code:
>
>      library(lme4)
>      lmer.m1<- lmer(Y1~A*B+(1|Block)+(1|Block:A), data=Data)
>      summary(lmer.m1)
>      anova(lmer.m1)
>
>      lmer.m2<- lmer(Y2~A*B+(1|Block)+(1|Block:A), data=Data)
>      summary(lmer.m2)
>      anova(lmer.m2)
>
> I'd like to know how to fit multivariate linear mixed model with `lme4`. The
> data is below:
>
>      Block A B    Y1    Y2
>       1 1 1 135.8 121.6
>       1 1 2 149.4 142.5
>       1 1 3 155.4 145.0
>       1 2 1 105.9 106.6
>       1 2 2 112.9 119.2
>       1 2 3 121.6 126.7
>       2 1 1 121.9 133.5
>       2 1 2 136.5 146.1
>       2 1 3 145.8 154.0
>       2 2 1 102.1 116.0
>       2 2 2 112.0 121.3
>       2 2 3 114.6 137.3
>       3 1 1 133.4 132.4
>       3 1 2 139.1 141.8
>       3 1 3 157.3 156.1
>       3 2 1 101.2  89.0
>       3 2 2 109.8 104.6
>       3 2 3 111.0 107.7
>       4 1 1 124.9 133.4
>       4 1 2 140.3 147.7
>       4 1 3 147.1 157.7
>       4 2 1 110.5  99.1
>       4 2 2 117.7 100.9
>       4 2 3 129.5 116.2
>
> Thank in advance for your time and cooperation.
>
> *MYaseen208*
>
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>
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-- 
David Afshartous, Ph.D.
Research Associate Professor
School of Medicine
Department of Biostatistics
Vanderbilt University