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BayesProbitARMA = function(fixed, data, random, Robustness, subset, na.action, arma.order, hyper.params, num.of.iter, Interactive)
{
# process data: reponse, fixed and random effects matrices.
cl <- match.call()
mf <- match.call(expand.dots = FALSE)
m <- match(c("fixed", "data", "subset", "na.action"), names(mf), 0L)
mf <- mf[c(1L, m)]
mf$drop.unused.levels <- TRUE
mf[[1L]] <- quote(model.frame)
names(mf)[2] = "formula"
fixed.eff = all.vars.character(fixed[-2])$m[[2]]
#cat("fixed.eff = ", fixed.eff, "\n")
fixed.eff.intercept.included = !any(grepl("-1", fixed.eff))
random.eff = all.vars.character(random)$m[[2]]
#cat("random.eff = ", random.eff, "\n")
mf[[2L]] = update(fixed, as.formula(paste("~.+", paste(random.eff, collapse="+") )))
mf[[2L]] = update(mf[[2L]], ~.+id)
mf <- eval(mf, parent.frame())
m.design.mat <- attr(mf, "terms")
#cat("mfixed.design.mat = \n")
#print(mfixed.design.mat)
yy <- model.response(mf, "numeric") #model.response(mf, "numeric")
xx <- model.matrix(m.design.mat, mf)
fixed.eff = attr(terms.formula(fixed), "term.labels")
if(fixed.eff.intercept.included)
fixed.eff = c("(Intercept)", fixed.eff)
random.eff[random.eff=="1"] = "(Intercept)"
#cat("random.eff = ", random.eff, "\n")
x.fixed = xx[, colnames(xx)%in%fixed.eff, drop=FALSE]
z.random = xx[, colnames(xx)%in%random.eff, drop=FALSE]
id = xx[, colnames(xx)%in%"id"]
p = dim(x.fixed)[2]
q = dim(z.random)[2]
N = length(table(id))
T = range(table(id))[2]
TimePointsAvailable = as.vector(table(id))
y = matrix(NA, T, N)
x = array(0, c(T, p, N)) #intercept,
z = array(0, c(T, length(random.eff), N)) #intercept,
for(i in 1:N){
y[1:TimePointsAvailable[i], i] = yy[id==i]
x[1:TimePointsAvailable[i], , i] = as.matrix(x.fixed[id==i, ])
z[1:TimePointsAvailable[i], , i] = as.matrix(z.random[id==i, ], drop=FALSE)
}
AR.order = arma.order[1]
MA.order = arma.order[2]
SinglePhiPsi = 1 #0: different phi's and psi's 1: same for every subject.
if(length(hyper.params)==0){
sigma2.beta = 1
v.gamma = 1
InvWishart.df = 1
InvWishart.Lambda = diag(q)
}
else{
sigma2.beta = hyper.params$sigma2.beta
v.gamma = hyper.params$v.gamma
InvWishart.df = hyper.params$InvWishart.df
InvWishart.Lambda = hyper.params$InvWishart.Lambda
}
UpdateYstar = TRUE
UpdateRandomEffect = TRUE
UpdateBeta = TRUE
UpdateSigma = TRUE
UpdateNu = TRUE
UpdatePhi = (AR.order>0)
UpdatePsi = (MA.order>0)
y.star.ini = matrix(0, T, N)
if(UpdateYstar){
y.star.ini[y%in%1] = rtnorm(sum(y%in%1), lower=0, upper=Inf)
y.star.ini[y%in%0] = rtnorm(sum(y%in%0), lower=-Inf, upper=0)
}
b.ini = NULL
Sigma = diag(q)
for(i in 1:N)
b.ini = cbind(b.ini, t(rmvnorm(1, rep(0, q), Sigma)))
nu.ini = rgamma(N, 5, 5)
beta.ini = matrix(rnorm(p), ncol=1)
Sigma.ini = as.matrix(rWishart(1,q,diag(q))[,,1])
phi.ini = matrix(0, AR.order, N)
psi.ini = matrix(0, MA.order, N)
if(AR.order==0)
phi.ini[]=0
if(MA.order==0)
psi.ini[]=0
ARMAorder = c(AR.order, MA.order)
Data = list(Y = y, X = x, Z=z, TimePointsAvailable = TimePointsAvailable)
InitialValues = list(y.star = y.star.ini, b = b.ini, nu = nu.ini, beta = beta.ini , Sigma = Sigma.ini, phi = phi.ini, psi = psi.ini)
HyperPara = list(sigma2.beta = sigma2.beta, v.gamma = v.gamma, InvWishart.df = InvWishart.df, InvWishart.Lambda=InvWishart.Lambda)
UpdatePara = list(UpdateYstar = UpdateYstar, UpdateRandomEffect = UpdateRandomEffect, UpdateNu = UpdateNu,
UpdateBeta = UpdateBeta, UpdateSigma = UpdateSigma,
UpdatePhi = UpdatePhi, UpdatePsi = UpdatePsi, SinglePhiPsi=SinglePhiPsi)
TuningPara = list(TuningPhi = 0.05, TuningPsi = 0.05)
#cat("\nCall:\n", printCall(cl), "\n\n", sep = "")
#cat("Data Descriptives:\n")
#cat("Longitudinal Process\t\tEvent Process")
#cat("\nNumber of Observations: ", sum(TimePointsAvailable), "\tNumber of Covariates: ", p-1)
#cat("\nNumber of subjects:", N, "\n\n")
cat("\nData Descriptives:\n")
cat("Longitudinal Data Information:")
cat("\nNumber of Observations: ", sum(TimePointsAvailable), "\tNumber of Covariates: ", p-1)
cat("\nNumber of subjects:", N, "\n\n")
PosteriorSamplesARMA = ProbitMCMCARMAKB(num.of.iter, Data, Robustness, InitialValues, HyperPara, UpdatePara, TuningPara, ARMAorder, Interactive)
out <- list(Posterior.Samples = PosteriorSamplesARMA, Fixed.Effects.Names = fixed.eff, Random.Effects.Names = random.eff,
Response = y, Fixed.Effects.Mat = x, Random.Effects.Mat = z, call = cl, Num.of.Iter = num.of.iter)
#class(out)
out
}
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