# bhpm.cluster
# bhpm: Cluster Analysis wrapper
# R. Carragher
# Date: 29/06/2018
Md1 <- new.env()
Md1$Id <- "$Id: bhpm.cluster.BB.hier3.lev2.R,v 1.13 2020/03/31 12:42:23 clb13102 Exp clb13102 $"
bhpm.cluster.BB.dep.lev2 <- function(cluster.data, sim_type = "SLICE", burnin = 10000, iter = 60000, nchains = 5,
theta_algorithm = "MH",
global.sim.params = data.frame(type = c("MH", "MH", "MH", "MH", "SLICE", "SLICE", "SLICE"),
param = c("sigma_MH_alpha", "sigma_MH_beta", "sigma_MH_gamma", "sigma_MH_theta",
"w_alpha", "w_beta", "w_gamma"),
value = c(3, 3, 0.2, 0.25, 1, 1, 1), control = c(0, 0, 0, 0, 6, 6, 6),
stringsAsFactors = FALSE),
sim.params = NULL,
monitor = data.frame(variable = c("theta", "gamma", "mu.gamma", "mu.theta",
"sigma2.theta", "sigma2.gamma",
"mu.theta.0", "mu.gamma.0", "tau2.theta.0", "tau2.gamma.0",
"pi", "alpha.pi", "beta.pi"),
monitor = c(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1),
stringsAsFactors = FALSE),
initial_values = NULL,
hyper_params = list(mu.gamma.0.0 = 0, tau2.gamma.0.0 = 10,
mu.theta.0.0 = 0, tau2.theta.0.0 = 10, alpha.gamma.0.0 = 3, beta.gamma.0.0 = 1, alpha.theta.0.0 = 3,
beta.theta.0.0 = 1, alpha.gamma = 3, beta.gamma = 1, alpha.theta = 3, beta.theta = 1, lambda.alpha = 1.0,
lambda.beta = 1.0),
global.pm.weight = 0.5,
pm.weights = NULL,
adapt_phase=1, memory_model = "HIGH")
{
cluster = M_global$CLUSTERdata(Md1, cluster.data, iter, nchains, burnin, initial_values)
if (is.null(cluster)) {
return(NULL)
}
cluster.data = cluster$cluster.data
cntrl.data = cluster$cntrl.data
Md1$Algo <- theta_algorithm
Md1$sim_type <- sim_type
if (nrow(global.sim.params[global.sim.params$type == sim_type,]) == 0) {
message("Missing simulation parametetrs");
return(NULL)
}
if (!all(global.sim.params$value > 0)) {
message("Invalid simulation parameter value");
return(NULL)
}
Md1$global.sim.params <- global.sim.params
Md1$Level = 2
sp = M_global$CLUSTER_sim_paramsBB_3(Md1, sim.params, pm.weights, sim_type, cluster.data, cntrl.data)
sim.params = sp$sim.params
pm.weights = sp$pm.weights
monitor = M_global$CLUSTER_monitor_BB_3(monitor)
# Initialise the hyper-parameters
Md1$mu.gamma.0.0 <- hyper_params$mu.gamma.0.0
Md1$tau2.gamma.0.0 <- hyper_params$tau2.gamma.0.0
Md1$alpha.gamma <- hyper_params$alpha.gamma
Md1$beta.gamma <- hyper_params$beta.gamma
Md1$alpha.gamma.0.0 <- hyper_params$alpha.gamma.0.0
Md1$beta.gamma.0.0 <- hyper_params$beta.gamma.0.0
Md1$mu.theta.0.0 <- hyper_params$mu.theta.0.0
Md1$tau2.theta.0.0 <- hyper_params$tau2.theta.0.0
Md1$alpha.theta <- hyper_params$alpha.theta
Md1$beta.theta <- hyper_params$beta.theta
Md1$alpha.theta.0.0 <- hyper_params$alpha.theta.0.0
Md1$beta.theta.0.0 <- hyper_params$beta.theta.0.0
# BB2004 parameters
Md1$lambda.alpha <- hyper_params$lambda.alpha
Md1$lambda.beta <- hyper_params$lambda.beta
algo = 1
if (Md1$Algo == "BB2004") {
algo <- 1;
} else {
if (Md1$Algo == "MH") {
algo <- 2;
} else {
if (Md1$Algo == "Adapt") {
algo <- 3;
} else {
if (Md1$Algo == "Indep") {
algo <- 4;
} else {
algo <- 1;
}
}
}
}
Ret2 = .Call("bhpmBB_poisson_mc_exec", as.integer(nchains), as.integer(burnin),
as.integer(iter), Md1$sim_type,
memory_model, Md1$global.sim.params,
sim.params,
as.numeric(global.pm.weight),
pm.weights,
monitor,
as.integer(Md1$nTreatments),
as.integer(Md1$numClusters), as.integer(Md1$Level),
Md1$maxOutcome.Grps, as.integer(Md1$numOutcome.Grp), as.integer(Md1$maxOutcomes),
as.integer(t(Md1$nOutcome)), as.integer(aperm(Md1$x)), as.integer(aperm(Md1$y)),
as.numeric(aperm(Md1$C)),
as.numeric(aperm(Md1$T)),
as.numeric(aperm(Md1$theta)),
as.numeric(aperm(Md1$gamma)),
as.numeric(Md1$mu.gamma.0.0),
as.numeric(Md1$tau2.gamma.0.0),
as.numeric(Md1$mu.theta.0.0),
as.numeric(Md1$tau2.theta.0.0),
as.numeric(Md1$alpha.gamma.0.0),
as.numeric(Md1$beta.gamma.0.0),
as.numeric(Md1$alpha.theta.0.0),
as.numeric(Md1$beta.theta.0.0),
as.numeric(Md1$alpha.gamma),
as.numeric(Md1$beta.gamma),
as.numeric(Md1$alpha.theta),
as.numeric(Md1$beta.theta),
as.numeric(Md1$mu.gamma.0),
as.numeric(Md1$tau2.gamma.0),
as.numeric(Md1$mu.theta.0),
as.numeric(Md1$tau2.theta.0),
as.numeric(aperm(Md1$mu.gamma)),
as.numeric(aperm(Md1$mu.theta)),
as.numeric(aperm(Md1$sigma2.gamma)),
as.numeric(aperm(Md1$sigma2.theta)),
as.numeric(aperm(Md1$pi)),
as.numeric(Md1$alpha.pi),
as.numeric(Md1$beta.pi),
as.numeric(Md1$lambda.alpha),
as.numeric(Md1$lambda.beta),
as.integer(algo),
as.integer(adapt_phase))
mu.gamma.0_samples = NULL
if (monitor[monitor$variable == "mu.gamma.0", ]$monitor == 1) {
mu.gamma.0_samples <- .Call("getMuGamma0SamplesClusterAll")
mu.gamma.0_samples = aperm(mu.gamma.0_samples)
}
mu.theta.0_samples = NULL
if (monitor[monitor$variable == "mu.theta.0", ]$monitor == 1) {
mu.theta.0_samples <- .Call("getMuTheta0SamplesClusterAll")
mu.theta.0_samples = aperm(mu.theta.0_samples)
}
tau2.gamma.0_samples = NULL
if (monitor[monitor$variable == "tau2.gamma.0", ]$monitor == 1) {
tau2.gamma.0_samples <- .Call("getTau2Gamma0SamplesClusterAll")
tau2.gamma.0_samples = aperm(tau2.gamma.0_samples)
}
tau2.theta.0_samples = NULL
if (monitor[monitor$variable == "tau2.theta.0", ]$monitor == 1) {
tau2.theta.0_samples <- .Call("getTau2Theta0SamplesClusterAll")
tau2.theta.0_samples = aperm(tau2.theta.0_samples)
}
mu.theta_samples = NULL
if (monitor[monitor$variable == "mu.theta", ]$monitor == 1) {
mu.theta_samples <- .Call("getMuThetaSamplesClusterAll")
mu.theta_samples <- aperm(mu.theta_samples)
}
mu.gamma_samples = NULL
if (monitor[monitor$variable == "mu.gamma", ]$monitor == 1) {
mu.gamma_samples <- .Call("getMuGammaSamplesClusterAll")
mu.gamma_samples <- aperm(mu.gamma_samples)
}
sigma2.theta_samples = NULL
if (monitor[monitor$variable == "sigma2.theta", ]$monitor == 1) {
sigma2.theta_samples <- .Call("getSigma2ThetaSamplesClusterAll")
sigma2.theta_samples <- aperm(sigma2.theta_samples)
}
sigma2.gamma_samples = NULL
if (monitor[monitor$variable == "sigma2.gamma", ]$monitor == 1) {
sigma2.gamma_samples <- .Call("getSigma2GammaSamplesClusterAll")
sigma2.gamma_samples <- aperm(sigma2.gamma_samples)
}
pi_samples = NULL
if (monitor[monitor$variable == "pi", ]$monitor == 1) {
pi_samples = .Call("getPiSamplesClusterAll")
pi_samples <- aperm(pi_samples)
}
alpha.pi_samples = NULL
alpha.pi_acc = NULL
if (monitor[monitor$variable == "alpha.pi", ]$monitor == 1) {
alpha.pi_samples = .Call("getAlphaPiSamplesClusterAll")
alpha.pi_samples = aperm(alpha.pi_samples)
alpha.pi_acc = .Call("getAlphaPiAcceptClusterAll")
alpha.pi_acc = aperm(alpha.pi_acc)
}
beta.pi_samples = NULL
beta.pi_acc = NULL
if (monitor[monitor$variable == "beta.pi", ]$monitor == 1) {
beta.pi_samples = .Call("getBetaPiSamplesClusterAll")
beta.pi_samples = aperm(beta.pi_samples)
beta.pi_acc = .Call("getBetaPiAcceptClusterAll")
beta.pi_acc = aperm(beta.pi_acc)
}
gamma_samples = NULL
gamma_acc = NULL
if (monitor[monitor$variable == "gamma", ]$monitor == 1) {
gamma_samples = .Call("getGammaSamplesClusterAll")
gamma_samples = aperm(gamma_samples)
gamma_acc = .Call("getGammaAcceptClusterAll")
gamma_acc <- aperm(gamma_acc)
}
theta_samples = NULL
theta_acc = NULL
if (monitor[monitor$variable == "theta", ]$monitor == 1) {
theta_samples = .Call("getThetaSamplesClusterAll")
theta_samples = aperm(theta_samples)
theta_acc = .Call("getThetaAcceptClusterAll")
theta_acc <- aperm(theta_acc)
}
.C("Release_Cluster")
model_fit = list(id = Md1$Id, sim_type = Md1$sim_type, chains = nchains, nClusters = Md1$numClusters,
nTreatments = Md1$nTreatments,
Clusters = Md1$Clusters, Trt.Grps = Md1$Trt.Grps, nOutcome.Grp = Md1$numOutcome.Grp, maxOutcome.Grps = Md1$maxOutcome.Grps,
maxOutcomes = Md1$maxOutcomes, nOutcome = Md1$nOutcome, Outcome=Md1$Outcome, Outcome.Grp = Md1$Outcome.Grp,
burnin = burnin, iter = iter,
monitor = monitor,
gamma = gamma_samples,
theta = theta_samples,
mu.gamma = mu.gamma_samples,
mu.theta = mu.theta_samples,
sigma2.gamma = sigma2.gamma_samples,
sigma2.theta = sigma2.theta_samples,
pi = pi_samples,
alpha.pi = alpha.pi_samples,
beta.pi = beta.pi_samples,
alpha.pi_acc = alpha.pi_acc,
beta.pi_acc = beta.pi_acc,
mu.gamma.0 = mu.gamma.0_samples,
mu.theta.0 = mu.theta.0_samples,
tau2.gamma.0 = tau2.gamma.0_samples,
tau2.theta.0 = tau2.theta.0_samples,
gamma_acc = gamma_acc,
theta_acc = theta_acc)
# Model is poisson with BB hierarchy and dependent clusters
attr(model_fit, "model") = "BB_pois_dep_lev2"
return(model_fit)
}
Md1$initVars = function() {
# Data Structure
Md1$Outcome.Grp <- c()
Md1$numOutcome.Grp <- NA
Md1$numClusters <- NA
Md1$nOutcome <- c()
Md1$maxOutcomes <- NA
# Cluster Event Data
Md1$x <- array()
Md1$C <- array()
Md1$y <- array()
Md1$T <- array()
# Hyperparameters
Md1$mu.gamma.0.0 <- NA
Md1$tau2.gamma.0.0 <- NA
Md1$mu.theta.0.0 <- NA
Md1$tau2.theta.0.0 <- NA
Md1$alpha.gamma.0.0 <- NA
Md1$beta.gamma.0.0 <- NA
Md1$alpha.theta.0.0 <- NA
Md1$beta.theta.0.0 <- NA
Md1$alpha.gamma <- NA
Md1$beta.gamma <- NA
Md1$alpha.theta <- NA
Md1$beta.theta <- NA
# Parameters/Simulated values
# Stage 3
Md1$mu.gamma.0 <- c()
Md1$tau2.gamma.0 <- c()
Md1$mu.theta.0 <- c()
Md1$tau2.theta.0 <- c()
# Stage 2
Md1$mu.gamma <- array()
Md1$mu.theta <- array()
Md1$sigma2.gamma <- array()
Md1$sigma2.theta <- array()
# Stage 1
Md1$theta <- array()
Md1$gamma <- array()
# BB2004 parameters
Md1$lambda.alpha <- NA
Md1$lambda.beta <- NA
Md1$alpha.pi <- NA
Md1$beta.pi <- NA
Md1$pi <- NA
}
Md1$initChains = function(c) {
# Choose random values for gamma and theta
for (i in 1:Md1$numClusters) {
numOutcome.Grp = Md1$numOutcome.Grp[i]
for (b in 1:numOutcome.Grp) {
Md1$gamma[c, i, b, 1:Md1$nOutcome[i, b]] <- runif(Md1$nOutcome[i, b], -10, 10)
Md1$gamma[c, i, b, ][is.infinite(Md1$gamma[c, i, b, ])] = -10
Md1$gamma[c, i, b, ][is.nan(Md1$gamma[c, i, b, ])] = -10 # -1000
for (t in 1:(Md1$nTreatments - 1)) {
Md1$theta[c, t, i, b, 1:Md1$nOutcome[i, b]] <- runif(Md1$nOutcome[i, b], -10, 10)
Md1$theta[c, t, i, b, ][is.infinite(Md1$theta[c, t, i, b, ])] = -10
Md1$theta[c, t, i, b, ][is.nan(Md1$theta[c, t, i, b, ])] = -10 # -1000
}
}
Md1$mu.gamma[c, i, 1:numOutcome.Grp] = runif(numOutcome.Grp, -10, 10)
Md1$mu.theta[c,, i, 1:numOutcome.Grp] = runif(numOutcome.Grp*(Md1$nTreatments - 1), -10, 10)
Md1$sigma2.gamma[c, i, 1:numOutcome.Grp] = runif(numOutcome.Grp, 5, 20)
Md1$sigma2.theta[c,, i, 1:numOutcome.Grp] = runif(numOutcome.Grp*(Md1$nTreatments - 1), 5, 20)
Md1$pi[c,, i, 1:numOutcome.Grp] = runif(numOutcome.Grp*(Md1$nTreatments - 1), 0, 1)
Md1$mu.gamma.0[c] = runif(1, -10, 10)
Md1$tau2.gamma.0[c] = runif(1, 5, 20)
Md1$mu.theta.0[c,] = runif(1*(Md1$nTreatments - 1), -10, 10)
Md1$tau2.theta.0[c,] = runif(1*(Md1$nTreatments - 1), 5, 20)
Md1$alpha.pi[c,] = runif(1*(Md1$nTreatments - 1), 1.25, 100)
Md1$beta.pi[c,] = runif(1*(Md1$nTreatments - 1), 1.25, 100)
}
}
Md1$initialiseChains = function(initial_values, nchains) {
Md1$theta = array(0, dim=c(nchains, Md1$nTreatments - 1, Md1$numClusters, Md1$maxOutcome.Grps, Md1$maxOutcomes))
Md1$gamma = array(0, dim=c(nchains, Md1$numClusters, Md1$maxOutcome.Grps, Md1$maxOutcomes))
if (is.null(initial_values)) {
# Initialise the first chain with the data
for (i in 1:Md1$numClusters) {
numOutcome.Grp = Md1$numOutcome.Grp[i]
for (b in 1:numOutcome.Grp) {
Md1$gamma[1, i, b, ] <- log(Md1$x[i, b,]/Md1$C[i, b, ])
for (t in 1:(Md1$nTreatments - 1)) {
Md1$theta[1, t, i, b, ] <- log(Md1$y[t, i, b,]/Md1$T[t, i , b,]) - Md1$gamma[1, i, b, ]
Md1$theta[1, t, i, b, ][is.infinite(Md1$theta[1, t, i, b, ])] = -10 # -1000
Md1$theta[1, t, i, b, ][is.nan(Md1$theta[1, t, i, b, ])] = -10 # -1000
}
Md1$gamma[1, i, b, ][is.infinite(Md1$gamma[1, i, b, ])] = -10 # -1000
Md1$gamma[1, i, b, ][is.nan(Md1$gamma[1, i, b, ])] = -10 # -1000
}
}
Md1$mu.gamma <- array(0, dim = c(nchains, Md1$numClusters, Md1$maxOutcome.Grps))
Md1$mu.theta <- array(0, dim = c(nchains, Md1$nTreatments - 1, Md1$numClusters, Md1$maxOutcome.Grps))
Md1$sigma2.gamma <- array(10, dim = c(nchains, Md1$numClusters, Md1$maxOutcome.Grps))
Md1$sigma2.theta <- array(10, dim = c(nchains, Md1$nTreatments - 1, Md1$numClusters, Md1$maxOutcome.Grps))
Md1$pi <- array(0.5, dim = c(nchains, Md1$nTreatments - 1, Md1$numClusters, Md1$maxOutcome.Grps))
Md1$mu.gamma.0 <- rep(0, nchains)
Md1$tau2.gamma.0 <- rep(10, nchains)
Md1$mu.theta.0 <- array(0, dim = c(nchains, Md1$nTreatments - 1))
Md1$tau2.theta.0 <- array(10, dim = c(nchains, Md1$nTreatments - 1))
Md1$alpha.pi <- array(1.5, dim = c(nchains, Md1$nTreatments - 1))
Md1$beta.pi <- array(1.5, dim = c(nchains, Md1$nTreatments - 1))
if (nchains > 1) {
for (c in 2:nchains) {
Md1$initChains(c)
}
}
}
else {
Md1$mu.gamma.0 <- rep(0, nchains)
Md1$tau2.gamma.0 <- rep(10, nchains)
Md1$mu.theta.0 <- array(0, dim = c(nchains, Md1$nTreatments - 1))
Md1$tau2.theta.0 <- array(10, dim = c(nchains, Md1$nTreatments - 1))
Md1$alpha.pi <- array(1.5, dim = c(nchains, Md1$nTreatments - 1))
Md1$beta.pi <- array(1.5, dim = c(nchains, Md1$nTreatments - 1))
for (c in 1:nchains) {
Md1$mu.gamma.0[c] = initial_values$mu.gamma.0[c]
Md1$tau2.gamma.0[c] = initial_values$tau2.gamma.0[c]
for (t in 1:(Md1$nTreatments - 1)) {
Md1$mu.theta.0[c,t] = initial_values$mu.theta.0[[t]][c]
Md1$tau2.theta.0[c,t] = initial_values$tau2.theta.0[[t]][c]
Md1$alpha.pi[c,t] = initial_values$alpha.pi[[t]][c]
Md1$beta.pi[c,t] = initial_values$beta.pi[[t]][c]
}
}
Md1$mu.gamma <- array(0, dim = c(nchains, Md1$numClusters, Md1$maxOutcome.Grps))
Md1$sigma2.gamma <- array(0, dim = c(nchains, Md1$numClusters, Md1$maxOutcome.Grps))
Md1$mu.theta <- array(0, dim = c(nchains, Md1$nTreatments - 1, Md1$numClusters, Md1$maxOutcome.Grps))
Md1$sigma2.theta <- array(0, dim = c(nchains, Md1$nTreatments - 1, Md1$numClusters, Md1$maxOutcome.Grps))
Md1$pi <- array(0.5, dim = c(nchains, Md1$nTreatments - 1, Md1$numClusters, Md1$maxOutcome.Grps))
for (c in 1:nchains) {
for (i in 1:Md1$numClusters) {
cluster = Md1$Clusters[i]
for (b in 1:Md1$numOutcome.Grp[i]) {
data = initial_values$mu.gamma[initial_values$mu.gamma$chain == c &
initial_values$mu.gamma$Cluster == cluster
& initial_values$mu.gamma$Outcome.Grp == Md1$Outcome.Grp[i, b],]
Md1$mu.gamma[c, i, b] = data$value
data = initial_values$sigma2.gamma[initial_values$sigma2.gamma$chain == c &
initial_values$sigma2.gamma$Cluster == cluster
& initial_values$sigma2.gamma$Outcome.Grp == Md1$Outcome.Grp[i, b],]
Md1$sigma2.gamma[c, i, b] = data$value
for (t in 1:(Md1$nTreatments - 1)) {
data = initial_values$mu.theta[[t]][initial_values$mu.theta[[t]]$chain == c &
initial_values$mu.theta[[t]]$Cluster == cluster
& initial_values$mu.theta[[t]]$Outcome.Grp == Md1$Outcome.Grp[i, b],]
Md1$mu.theta[c, t, i, b] = data$value
data = initial_values$sigma2.theta[[t]][initial_values$sigma2.theta[[t]]$chain == c &
initial_values$sigma2.theta[[t]]$Cluster == cluster
& initial_values$sigma2.theta[[t]]$Outcome.Grp == Md1$Outcome.Grp[i, b],]
Md1$sigma2.theta[c, t, i, b] = data$value
data = initial_values$pi[[t]][initial_values$pi[[t]]$chain == c &
initial_values$pi[[t]]$Cluster == cluster
& initial_values$pi[[t]]$Outcome.Grp == Md1$Outcome.Grp[i, b],]
Md1$pi[c, t, i, b] = data$value
}
}
}
}
for (c in 1:nchains) {
for (i in 1:Md1$numClusters) {
cluster = Md1$Clusters[i]
for (b in 1:Md1$numOutcome.Grp[i]) {
for (j in 1:Md1$nOutcome[i, b]) {
ae = Md1$Outcome[i, b, j]
data = initial_values$gamma[initial_values$gamma$chain == c
& initial_values$gamma$Cluster == cluster
& initial_values$gamma$Outcome.Grp == Md1$Outcome.Grp[i, b]
& initial_values$gamma$Outcome == ae,]
Md1$gamma[c, i, b, j] = data$value
for (t in 1:(Md1$nTreatments - 1)) {
data = initial_values$theta[[t]][initial_values$theta[[t]]$chain == c
& initial_values$theta[[t]]$Cluster == cluster
& initial_values$theta[[t]]$Outcome.Grp == Md1$Outcome.Grp[i, b]
& initial_values$theta[[t]]$Outcome == ae,]
Md1$theta[c, t, i, b, j] = data$value
}
}
}
}
}
}
}
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