Nothing
AR1Frailty_SE.h <-
function (res1, nrand, q, qcum, dord = 1, varfixed = FALSE, IArho)
{
x <- res1[1][[1]]
z <- res1[2][[1]]
y <- res1[3][[1]]
del <- res1[4][[1]]
Mi <- res1[5][[1]]
idx2 <- res1[6][[1]]
t2 <- res1[7][[1]]
di <- res1[8][[1]]
beta_h <- res1[9][[1]]
v_h <- res1[10][[1]]
beta_h1 <- res1[11][[1]]
v_h1 <- res1[12][[1]]
alpha_h <- res1[13][[1]]
alpha_h1 <- res1[14][[1]]
dft <- res1[15][[1]]
Hinv <- res1[16][[1]]
clam0 <- res1[17][[1]]
H <- res1[18][[1]]
mat <- res1[19][[1]]
U <- res1[21][[1]]
H0 <- res1[22][[1]]
n <- nrow(x)
p <- ncol(x)
u_h1 <- exp(v_h1)
oq <- matrix(1, qcum[nrand + 1], 1)
oq1 <- matrix(1, qcum[nrand + 1], 1)
for (i in 1:nrand) {
index1 <- qcum[i] + 1
oq1[index1:qcum[i + 1]] <- alpha_h1[i]
}
D <- diag(oq1[, 1])
iD <- solve(D)
iA <- iD
Bi <- diag(clam0[, 1])
muh <- x %*% beta_h1 + z %*% v_h1
expeta <- exp(muh)
cla0 <- di/(t(Mi) %*% expeta)
temp4 <- cla0^2/di
As <- diag(temp4[, 1])
Wi <- diag(expeta[, 1])
done <- matrix(1, idx2, 1)
H22 <- solve(t(z) %*% mat %*% z + U)
Hessian <- matrix(0, nrand, nrand)
if (varfixed == FALSE) {
se_lam <- rep(0, nrand)
for (i in 1:nrand) se_lam[i] <- 0.000
}
if (varfixed == TRUE) {
se_lam <- rep(0, nrand)
for (i in 1:nrand) se_lam[i] <- 0.000
}
eta <- x %*% beta_h1 + z %*% v_h1
expeta <- exp(eta)
one <- matrix(1, n, 1)
done <- matrix(1, idx2, 1)
oq <- matrix(1, qcum[nrand + 1], 1)
pi <- 3.14159265359
term0 <- t(Mi) %*% expeta
hlike1 <- (t(one) %*% (del * eta)) - (t(done) %*% (di * log(term0)))
hlike2 <- 0
hlike3 <- 0
for (i in 1:nrand) {
if (alpha_h[i] > 1e-05)
hlike2 <- hlike2 - (q[i]/2) * log(2 * pi) - ((q[i]/2) *
log(alpha_h1[i])) + 0.5 * log(abs(det(IArho)))
index1 <- qcum[i] + 1
index2 <- qcum[i + 1]
vv_h1 <- matrix(0, q[i], 1)
vv_h1[1:q[i], 1] <- v_h1[index1:index2, 1]
if (alpha_h[i] > 1e-05)
hlike3 <- hlike3 - (t(vv_h1) %*% IArho %*% vv_h1)/(2 * alpha_h1[i])
}
hliken <- hlike1 + hlike2 + hlike3
cc1 <- svd(2 * pi * Hinv)
for (i in 1:length(cc1$d)) if (cc1$d[i] < 1e-05)
cc1$d[i] <- 1
logdet1 <- sum(log(abs(cc1$d)))
adj1 <- 0.5 * logdet1
hpn1 <- hliken + adj1
muu <- exp(x %*% beta_h1) * clam0
zmu <- t(z) %*% muu
u_h1 <- exp(v_h1)
second <- 0
for (i in 1:nrand) {
ialph1 <- 1/alpha_h1[i]
a21 <- (zmu * u_h1) + ialph1
b31 <- zmu * u_h1
S11 <- 3 * (b31/(a21^2))
S21 <- 5 * ((b31^2)/(a21^3))
temp4 <- S11 - S21
S31 <- diag(temp4[, 1])
second <- second - sum(diag(S31))/24
}
H22 <- t(z) %*% mat %*% z + iD
cc1 <- svd(H22/(2 * pi))
for (i in 1:length(cc1$d)) if (cc1$d[i] > 1e+05)
cc1$d[i] <- 1
logdet1 <- sum(log(abs(cc1$d)))
hpn2 <- hliken - 0.5 * logdet1
hpn3 <- hpn1 + second
df1 <- sum(diag(Hinv %*% H0))
res <- list(se_lam, hliken, hpn1, hpn2, hpn3, hlike1, df1)
return(res)
}
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