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這篇文章涉及到我以前的文章(How to code a matrix in WinBUGS?)。爲新的問題道歉,因爲這是一個新問題。我收到錯誤multiple definitions of node ell[1,2]
。我不知道如何解決它。以下是代碼和重現性數據集。Winbugs中節點ell [1,2]錯誤的多重定義
model {
#likelihood
for(j in 1 : Nf){
p1[j, 1:2 ] ~ dmnorm(gamma[1:2], T[1:2 ,1:2])
for (i in 1:2){
logit(p[j,i]) <- p1[j,i]
Y[j,i] ~ dbin(p[j,i],n)
}
X_mu[j,1]<-p[j,1]-mean(p[,1])
X_mu[j,2]<-p[j,2]-mean(p[,2])
v1<-sd(p[,1])*sd(p[,1])
v2<-sd(p[,2])*sd(p[,2])
v12<-(inprod(X_mu[j,1],X_mu[j,2]))/(sd(p[,1])*sd(p[,2]))
sigma[1,1]<-v1
sigma[1,2]<-v12
sigma[2,1]<-v12
sigma[2,2]<-v2
sigmaInv[1:2, 1:2] <- inverse(sigma[,])
T1[j,1]<-inprod(sigmaInv[1,],X_mu[j,1])
T1[j,2]<-inprod(sigmaInv[2,],X_mu[j,2])
ell[j,1]<-inprod(X_mu[j,1],T1[j,1])
ell[j,2]<-inprod(X_mu[j,2],T1[j,2])
}
#priors
gamma[1:2] ~ dmnorm(mn[1:2],prec[1:2 ,1:2])
expit[1] <- exp(gamma[1])/(1+exp(gamma[1]))
expit[2] <- exp(gamma[2])/(1+exp(gamma[2]))
T[1:2 ,1:2] ~ dwish(R[1:2 ,1:2], 2)
sigma2[1:2, 1:2] <- inverse(T[,])
rho <- sigma2[1,2]/sqrt(sigma2[1,1]*sigma2[2,2])
}
# Data
list(Nf =20, mn=c(-0.69, -1.06), n=60,
prec = structure(.Data = c(.001, 0, 0, .001),.Dim = c(2, 2)),
R = structure(.Data = c(.001, 0, 0, .001),.Dim = c(2, 2)),
Y= structure(.Data=c(32,13,
32,12,
10,4,
28,11,
10,5,
25,10,
4,1,
16,5,
28,10,
21,7,
19,9,
18,12,
31,12,
13,3,
10,4,
18,7,
3,2,
27,5,
8,1,
8,4),.Dim = c(20, 2)))