search for: b_estimate

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2010 Apr 11
1
Matrix is not symmetric under lme4
...r==i2])) yi2<-c(yi2,sum(y[u==1 & center==i2])) } ##method2############## fit2 <- glmer(y ~ u + (1|center), family=poisson, data=df,nAGQ=3,verbose = TRUE, REML = FALSE ) #fit2 <- glmer(y ~ u + (1|center), family=poisson, data=df,nAGQ=3) estimate_sigma2<-sigma.hat(fit2)$sigma$center b_estimate<-fit2 at fixef alpha1=b_estimate[1] alpha2=b_estimate[1]+b_estimate[2] T1=exp(alpha1+estimate_sigma2/2) T2=exp(alpha2+estimate_sigma2/2) T3=exp(estimate_sigma2)-1 T4=exp(0.5*estimate_sigma2) w=exp(s) eBLP_glimmix_quad[kk]=mean((T4+n*T3*T4*(yi1/n+yi2/n-T1-T2)/(1+T3*n*(T1+T2))-w)^2) } MSE_eB...