Nothing
## ---- include = FALSE---------------------------------------------------------
knitr::opts_chunk$set(
eval = TRUE, # en- / disables R code evaluation globally
cache = FALSE, # en- / disables R code caching globally
collapse = TRUE,
comment = "#>"
)
## ----setup--------------------------------------------------------------------
library(bhmbasket)
rng_seed <- 123
set.seed(rng_seed)
## -----------------------------------------------------------------------------
chugh_trial <- createTrial(
n_subjects = c(15, 13, 12, 28, 29, 29, 26, 5, 2, 20),
n_responders = c(2, 0, 1, 6, 7, 3, 5, 1, 0, 3))
## ----chugh--------------------------------------------------------------------
chugh_prior_parameters <- setPriorParametersExNex(
mu_mean = c(-1.735, 0.847),
mu_sd = c(0.146, 0.266)^-0.5,
tau_scale = 1,
mu_j = rep(-1.734, 10),
tau_j = rep(0.128^-0.5, 10),
w_j = c(0.5, 0, 0.5))
if (file.exists("chugh_analysis.rds")) {
chugh_analysis <- readRDS("chugh_analysis.rds")
} else {
chugh_analysis <- performAnalyses(
scenario_list = chugh_trial,
method_names = "exnex",
prior_parameters_list = chugh_prior_parameters,
seed = rng_seed,
n_mcmc_iterations = 5e4,
n_cores = 2L,
verbose = FALSE)
saveRDS(chugh_analysis, "chugh_analysis.rds")
}
## -----------------------------------------------------------------------------
getEstimates(analyses_list = chugh_analysis)
## ----simulateScenarios--------------------------------------------------------
scenarios_list <- simulateScenarios(
n_subjects_list = list(c(20, 20, 10, 10),
c(20, 20, 10, 10),
c(20, 20, 10, 10)),
response_rates_list = list(c(0.1, 0.1, 0.1, 0.1),
c(0.1, 0.1, 0.3, 0.3),
c(0.1, 0.1, 0.1, 0.5)),
scenario_numbers = c(1, 3, 4),
n_trials = 1e4)
## ----performAnalyses----------------------------------------------------------
prior_parameters <- setPriorParametersExNex(
mu_mean = c(logit(0.1), logit(0.3)),
mu_sd = c(3.18, 1.94),
tau_scale = 1,
mu_j = rep(logit(0.2), 4),
tau_j = rep(2.5, 4),
w_j = c(0.25, 0.25, 0.5))
if (file.exists("analyses_list.rds")) {
analyses_list <- readRDS("analyses_list.rds")
} else {
analyses_list <- performAnalyses(
scenario_list = scenarios_list,
method_names = "exnex",
prior_parameters_list = prior_parameters,
seed = rng_seed,
n_mcmc_iterations = 5e4,
n_cores = 2L)
saveRDS(analyses_list, "analyses_list.rds")
}
## ---- include = FALSE---------------------------------------------------------
## check for unnecessary data
if (any(grepl("mu_",
colnames(analyses_list$scenario_1$quantiles_list$exnex[[1]])))) {
## remove unnecessary data
## ...in quantiles_list
analyses_list$scenario_1$quantiles_list$exnex <- lapply(analyses_list$scenario_1$quantiles_list$exnex, function (x) {
x[-c(2, 6), -c(1:6, 11, 12)]
})
analyses_list$scenario_3$quantiles_list$exnex <- lapply(analyses_list$scenario_3$quantiles_list$exnex, function (x) {
x[-c(2, 6), -c(1:6, 11, 12)]
})
analyses_list$scenario_4$quantiles_list$exnex <- lapply(analyses_list$scenario_4$quantiles_list$exnex, function (x) {
x[-c(2, 6), -c(1:6, 11, 12)]
})
## ... on quantiles
analyses_list$scenario_1$analysis_parameters$quantiles <- c(0.025, 0.100, 0.200, 0.500, 0.975)
analyses_list$scenario_3$analysis_parameters$quantiles <- c(0.025, 0.100, 0.200, 0.500, 0.975)
analyses_list$scenario_4$analysis_parameters$quantiles <- c(0.025, 0.100, 0.200, 0.500, 0.975)
## ... on subjects and responders
analyses_list$scenario_1$scenario_data$n_subjects <- NULL
analyses_list$scenario_3$scenario_data$n_subjects <- NULL
analyses_list$scenario_4$scenario_data$n_subjects <- NULL
analyses_list$scenario_1$scenario_data$n_responders <- NULL
analyses_list$scenario_3$scenario_data$n_responders <- NULL
analyses_list$scenario_4$scenario_data$n_responders <- NULL
analyses_list$scenario_1$quantiles_list$exnex[[1]]
saveRDS(analyses_list, "analyses_list.rds", compress = "xz")
}
## ----getBiasMSE---------------------------------------------------------------
estimates <- getEstimates(
analyses_list = analyses_list,
point_estimator = "mean")
scaleRoundList(
list = estimates,
scale_param = 100,
round_digits = 2)
## ---- eval = FALSE------------------------------------------------------------
# cohort_names = "p_1"
# boundary_rules = quote(c(x[1] > 0.1))
# evidence_levels = 0.9
## ---- eval = FALSE------------------------------------------------------------
# cohort_names = c("p_1", "p_1")
# boundary_rules = quote(c(x[1] > 0.1 & x[2] > 0.2))
# evidence_levels = c(0.9, "mean")
## ----getGoDecisions-----------------------------------------------------------
decisions_list <- getGoDecisions(
analyses_list = analyses_list,
cohort_names = c("p_1", "p_1",
"p_2", "p_2",
"p_3", "p_3",
"p_4", "p_4"),
evidence_levels = c(0.9, "mean",
0.9, "mean",
0.8, "mean",
0.8, "mean"),
boundary_rules = quote(c(x[1] > 0.1 & x[2] > 0.2,
x[3] > 0.1 & x[4] > 0.2,
x[5] > 0.1 & x[6] > 0.2,
x[7] > 0.1 & x[8] > 0.2)))
go_probabilities <- getGoProbabilities(decisions_list)
scaleRoundList(
list = go_probabilities,
scale_param = 100,
round_digits = 0)
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