Nothing
score.lm <- function(para, map, data, ref, inv.V, bet0, outcome){
#sc1 <- grad(obj.lm, para, map = map, data = data, ref = ref, inv.V = inv.V, bet0 = bet0, outcome = outcome)
#return(sc1)
nmodel <- length(map$bet)
nlam <- max(map$lam)
n <- nrow(data)
lam <- para[map$lam]
sigma <- para[map$the[1]]
the <- para[map$the[-1]]
fx <- as.matrix(data[, names(the), drop = FALSE])
y <- data[, outcome]
res <- y - as.vector(fx %*% the)
g <- gfunction.lm(para, map, ref)
pr <- as.vector(1/(1+g %*% lam))
np <- length(para)
sc <- rep(NA, np)
names(sc) <- names(para)
sc[map$lam] <- -as.vector(t(g) %*% pr)
dlogL <- c(-n/2/sigma + 1/2/sigma^2 * sum(res^2), as.vector(t(fx) %*% res/sigma))
g.the <- gfunction.the.lm(para, map, ref)
id <- map$the
for(i in 1:length(id)){
tmp <- as.vector(g.the[[i]] %*% lam)
sc[id[i]] <- dlogL[i] - sum(tmp * pr)
rm(tmp)
}
g.alp <- gfunction.alp.lm(para, map, ref)
k <- max(map$the)
for(i in seq_along(g.alp)){
tmp <- as.vector(g.alp[[i]] %*% lam)
k <- k + 1
sc[k] <- -sum(tmp * pr)
rm(tmp)
}
bet <- para[map$all.bet]
dqf <- as.vector(inv.V %*% (bet - bet0))
g.bet <- gfunction.bet.lm(para, map, ref)
k <- min(map$all.bet) - 1
for(i in 1:length(g.bet)){
tmp <- as.vector(g.bet[[i]] %*% lam)
k <- k + 1
sc[k] <- -sum(tmp * pr) - dqf[i]
}
sc
}
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