search for: nsimm

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2008 Apr 08
1
Weibull maximum likelihood estimates for censored data
...le(lLne,start = list(A = 0.02)) Lw <- lLnw(coef(fit1)) # Maximum log likelihood : Weibull Le <- lLne(coef(fit2)) # Maximum log likelihood : Exponential LR0 <- (Le/Lw) # Likelihood ratio with duration sample NSimM <- cbind(as.matrix(sort(rchisq(nsim,1,0))),runif(nsim,0,1)) # chi-square df1 simulations, uniform rvs Uniftest <- runif(1,0,1) firstrow <- cbind(LR0,Uniftest) # use sample LR as LR NSimM <- rbind(firstrow,NSimM) Test <- matrix(rep(0,2*(nsi...