fit.rcm.mle <- function(y, m, extra.tx = null.tx, var.names = NULL)
{
if (length(m) == 1) m <- rep(m, ncol(y))
k <- nrow(y)
Data <- list(y = y, m = m, n = ncol(y))
qq <- k
phi.init <- rep(0, qq)
theta.tx <- function(phi)
{
list(Pi = inv.mlogit(phi[seq_len(k-1)]), rho = plogis(phi[k]))
}
loglik <- function(phi, Data)
{
theta <- theta.tx(phi)
sum( d.rcm(Data$y, Pi = theta$Pi, rho = theta$rho,
m = Data$m, log = TRUE) )
}
fit.out <- fit.mle(phi.init, loglik, theta.tx, extra.tx,
Data, psi.names = var.names)
fit.out$description <- sprintf("y[i] ~iid~ RCM_%d(m[i], Pi, rho)", k)
return(fit.out)
}
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