data <- DataDual(
x =
c(
0.1, 0.5, 1.5, 3, 6, 10, 10, 10,
20, 20, 20, 40, 40, 40, 50, 50, 50
),
y =
c(
0, 0, 0, 0, 0, 0, 1, 0,
0, 1, 1, 0, 0, 1, 0, 1, 1
),
w =
c(
0.31, 0.42, 0.59, 0.45, 0.6, 0.7, 0.55, 0.6,
0.52, 0.54, 0.56, 0.43, 0.41, 0.39, 0.34, 0.38, 0.21
),
doseGrid =
c(
0.1, 0.5, 1.5, 3, 6,
seq(from = 10, to = 80, by = 2)
)
)
plot(data)
model <- DualEndpointEmax(
mu = c(0, 1),
Sigma = matrix(c(1, 0, 0, 1), nrow = 2),
sigma2W = c(a = 0.1, b = 0.1),
rho = c(a = 1, b = 1),
E0 = c(0, 100),
Emax = c(0, 500),
ED50 = c(0, 200),
refDose = 500
)
options <- McmcOptions(
burnin = 20000,
step = 3,
samples = 10000
)
# be sure that mcmc class was loaded (otherwise conflict with coda package)
samples <- mcmc(data, model, options)
print(plot(samples, model, data, extrapolate = FALSE))
print(plot(samples, model, data, extrapolate = TRUE))
nextBest1 <- NextBestDualEndpoint(
target = c(0.9, 1.0),
overdose = c(0.35, 1),
maxOverdoseProb = 0.25
)
nextBest(nextBest = nextBest1, doselimit = 1000, samples, model, data)
model <- DualEndpointRW(
mu = c(0, 1),
Sigma = matrix(c(1, 0, 0, 1), nrow = 2),
sigma2betaW =
0.01,
sigma2W =
c(a = 0.1, b = 0.1),
rho =
c(a = 1, b = 1),
smooth = "RW1"
)
options <- McmcOptions(
burnin = 20000,
step = 3,
samples = 10000
)
# be sure that mcmc class was loaded (otherwise conflict with coda package)
samples <- mcmc(data, model, options)
nextBest1 <- NextBestDualEndpoint(
target = c(0.9, 1.0),
overdose = c(0.35, 1),
maxOverdoseProb = 0.25
)
nextBest(nextBest = nextBest1, doselimit = 1000, samples, model, data)
# ---------------------------------
# Lets familiarize with the RW1
# ---------------------------------
data <- DataDual(
x =
c(
0.1, 0.5, 1.5, 3, 6, 10, 10, 10,
20, 20, 20, 40, 40, 40, 50, 50, 50
),
y =
c(
0, 0, 0, 0, 0, 0, 1, 0,
0, 1, 1, 0, 0, 1, 0, 1, 1
),
w =
c(
0.31, 0.42, 0.59, 0.45, 0.6, 0.7, 0.55, 0.6,
0.52, 0.54, 0.56, 0.43, 0.41, 0.39, 0.34, 0.38, 0.21
),
doseGrid =
c(
0.1, 0.5, 1.5, 3, 6,
seq(from = 10, to = 80, by = 2)
)
)
model <- DualEndpointRW(
mu = c(0, 1),
Sigma = matrix(c(1, 0, 0, 1), nrow = 2),
sigma2betaW =
c(a = 20, b = 50),
sigma2W =
c(a = 0.1, b = 0.1),
rho = 0.0,
smooth = "RW1"
)
options <- McmcOptions(
burnin = 20000,
step = 3,
samples = 10000
)
emptydata <- DataDual(doseGrid = data@doseGrid)
priorsamples <- mcmc(emptydata, model, options)
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