search for: factora2

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2011 Jan 21
1
TRADUCING lmer() syntax into lme()
...r Rsociety, I'd like to kingly ask to anyone is willing to answer me how to implement a NON NESTED random effects structure in lme() In particular I've tried the following translation from lmer to lme, as suggested from some web example mod1<-lmer(y~x*z+(x*z|factorA1/factorB)+(x*z|factorA2/factorB)) # y,x,z continuous mod2<-lme(y~x*z, random= pdBlocked(list(pdIdent(~1|factorA1/factorB ),pdIdent(~1|factorA2/factorB)))) In detail check how I've tried to state in mod1 that Iwant to evaluate randomness in the interaction x*z (i.e intercept, slope, interaction) grouped by by a...
2008 Mar 25
0
Behaviour of interactions in glm
...ctorA+FactorB+FactorA:FactorB, FactorA:FactorB - but whatever I do I always get 6 coefficients. Really what I would like to do is to ask for FactorA*FactorB less the entries in the design matrix that I get from FactorA and FactorB. This would leave me with the design matrix being: Record Mean FactorA2:FactorB1 FactorA2:FactorB3 1 1 0 0 2 1 0 0 3 1 0 0 4 1 1 0 5 1 0 0 6 1 0 1 If anyone has any advice on how I could make this happen, I'd...
2011 Jan 22
0
how to call BayesX in R to see the graph
...r Rsociety, I'd like to kingly ask to anyone is willing to answer me how to implement a NON NESTED random effects structure in lme() In particular I've tried the following translation from lmer to lme, as suggested from some web example mod1<-lmer(y~x*z+(x*z|factorA1/factorB)+(x*z|factorA2/factorB)) # y,x,z continuous mod2<-lme(y~x*z, random= pdBlocked(list(pdIdent(~1|factorA1/factorB ),pdIdent(~1|factorA2/factorB)))) In detail check how I've tried to state in mod1 that Iwant to evaluate randomness in the interaction x*z (i.e intercept, slope, interaction) grouped by by a...