Nothing
## MR-Egger Rjags
context("Tests for MR-Egger function using JAGS")
test_that("Dataset is formatted",
{
dat <- mvmr_format(rsid = dodata$rsid,
xbeta = cbind(dodata$ldlcbeta,dodata$hdlcbeta,dodata$tgbeta),
ybeta = dodata$chdbeta,
xse = cbind(dodata$ldlcse,dodata$hdlcse,dodata$tgse),
yse = dodata$chdse)
expect_s3_class(dat, "mvmr_format")
})
test_that("MR-Egger using default prior method",
{
skip_on_cran()
skip_if_not_installed("rjags")
dat <- mvmr_format(rsid = dodata$rsid,
xbeta = cbind(dodata$ldlcbeta,dodata$hdlcbeta,dodata$tgbeta),
ybeta = dodata$chdbeta,
xse = cbind(dodata$ldlcse,dodata$hdlcse,dodata$tgse),
yse = dodata$chdse)
eggerfit <- mvmr_egger_rjags(dat,
seed = c(123, 456, 789))
expect_equal(class(eggerfit), "mveggerjags")
expect_equal(unname(eggerfit$CausalEffect[1]), 0.531, tol = 1e-2)
expect_equal(unname(eggerfit$CausalEffect[2]), -0.104, tol = 1e-2)
expect_equal(unname(eggerfit$CausalEffect[3]), 0.326, tol = 1e-2)
expect_equal(unname(eggerfit$StandardError[1]), 0.0711, tol = 1e-2)
expect_equal(unname(eggerfit$StandardError[2]), 0.0615, tol = 1e-2)
expect_equal(unname(eggerfit$StandardError[3]), 0.08, tol = 1e-2)
expect_equal(unname(eggerfit$CredibleInterval[1]), 0.391, tol = 1e-2)
expect_equal(unname(eggerfit$CredibleInterval[2]), -0.234, tol = 1e-2)
expect_equal(unname(eggerfit$CredibleInterval[3]), 0.176, tol = 1e-2)
expect_equal(unname(eggerfit$CredibleInterval[4]), 0.53, tol = 1e-2)
expect_equal(unname(eggerfit$CredibleInterval[5]), -0.104, tol = 1e-2)
expect_equal(unname(eggerfit$CredibleInterval[6]), 0.326, tol = 1e-2)
expect_equal(unname(eggerfit$CredibleInterval[7]), 0.671, tol = 1e-2)
expect_equal(unname(eggerfit$CredibleInterval[8]), 0.0167, tol = 1e-2)
expect_equal(unname(eggerfit$CredibleInterval[9]), 0.474, tol = 1e-2)
expect_equal(unname(eggerfit$AvgPleio), -0.002, tol = 1e-2)
expect_equal(unname(eggerfit$sigma), 1.46, tol = 1e-2)
expect_equal(class(eggerfit$samples), "mcmc.list")
expect_equal(eggerfit$priormethod, "default")
})
test_that("MR-Egger using weak prior method",
{
skip_on_cran()
skip_if_not_installed("rjags")
dat <- mvmr_format(rsid = dodata$rsid,
xbeta = cbind(dodata$ldlcbeta,dodata$hdlcbeta,dodata$tgbeta),
ybeta = dodata$chdbeta,
xse = cbind(dodata$ldlcse,dodata$hdlcse,dodata$tgse),
yse = dodata$chdse)
eggerfit1 <- mvmr_egger_rjags(dat,
seed = c(123, 456, 789),
prior = "weak")
expect_equal(class(eggerfit1), "mveggerjags")
expect_equal(unname(eggerfit1$CausalEffect[1]), 0.531, tol = 1e-2)
expect_equal(unname(eggerfit1$CausalEffect[2]), -0.104, tol = 1e-2)
expect_equal(unname(eggerfit1$CausalEffect[3]), 0.326, tol = 1e-2)
expect_equal(unname(eggerfit1$StandardError[1]), 0.0711, tol = 1e-2)
expect_equal(unname(eggerfit1$StandardError[2]), 0.062, tol = 1e-2)
expect_equal(unname(eggerfit1$StandardError[3]), 0.08, tol = 1e-2)
expect_equal(unname(eggerfit1$CredibleInterval[1]), 0.391, tol = 1e-2)
expect_equal(unname(eggerfit1$CredibleInterval[2]), -0.234, tol = 1e-2)
expect_equal(unname(eggerfit1$CredibleInterval[3]), 0.176, tol = 1e-2)
expect_equal(unname(eggerfit1$CredibleInterval[4]), 0.53, tol = 1e-2)
expect_equal(unname(eggerfit1$CredibleInterval[5]), -0.104, tol = 1e-2)
expect_equal(unname(eggerfit1$CredibleInterval[6]), 0.326, tol = 1e-2)
expect_equal(unname(eggerfit1$CredibleInterval[7]), 0.671, tol = 1e-2)
expect_equal(unname(eggerfit1$CredibleInterval[8]), 0.017, tol = 1e-2)
expect_equal(unname(eggerfit1$CredibleInterval[9]), 0.47, tol = 1e-2)
expect_equal(unname(eggerfit1$AvgPleio), -0.002, tol = 1e-2)
expect_equal(unname(eggerfit1$sigma), 1.46, tol = 1e-2)
expect_equal(class(eggerfit1$samples), "mcmc.list")
expect_equal(eggerfit1$priormethod, "weak")
})
# test_that("MR-Egger using joint prior method",
# {
# skip_on_cran()
# skip_if_not_installed("rjags")
# dat <- mr_format(rsid = dodata$rsid,
# xbeta = dodata$ldlcbeta,
# ybeta = dodata$chdbeta,
# xse = dodata$ldlcse,
# yse = dodata$chdse)
# eggerfit3 <-
# mr_egger_rjags(dat,
# prior = "joint",
# seed = c(123, 456, 789))
# expect_equal(class(eggerfit3), "eggerjags")
# expect_equal(unname(eggerfit3$CausalEffect), 0.568, tol = 1e-2)
# expect_equal(unname(eggerfit3$StandardError), 0.076, tol = 1e-2)
# expect_equal(unname(eggerfit3$CredibleInterval[1]), 0.42, tol = 1e-2)
# expect_equal(unname(eggerfit3$CredibleInterval[2]), 0.567, tol = 1e-2)
# expect_equal(unname(eggerfit3$CredibleInterval[3]), 0.72, tol = 1e-2)
# expect_equal(unname(eggerfit3$AvgPleio), -0.002, tol = 1e-2)
# expect_equal(unname(eggerfit3$sigma), 1.59, tol = 1e-2)
# expect_equal(class(eggerfit3$samples), "mcmc.list")
# expect_equal(eggerfit3$priormethod, "joint")
# })
test_that("MR-Egger using betaprior and sigmaprior method",
{
skip_on_cran()
skip_if_not_installed("rjags")
dat <- mvmr_format(rsid = dodata$rsid,
xbeta = cbind(dodata$ldlcbeta,dodata$hdlcbeta,dodata$tgbeta),
ybeta = dodata$chdbeta,
xse = cbind(dodata$ldlcse,dodata$hdlcse,dodata$tgse),
yse = dodata$chdse)
eggerfit3 <- mvmr_egger_rjags(dat,
seed = c(123, 456, 789),
betaprior = "dnorm(0, 1E-3)",
sigmaprior = "dunif(0.001,1)")
expect_equal(class(eggerfit3), "mveggerjags")
expect_equal(unname(eggerfit3$CausalEffect[1]), 0.531, tol = 1e-2)
expect_equal(unname(eggerfit3$CausalEffect[2]), -0.104, tol = 1e-2)
expect_equal(unname(eggerfit3$CausalEffect[3]), 0.326, tol = 1e-2)
expect_equal(unname(eggerfit3$StandardError[1]), 0.048, tol = 1e-2)
expect_equal(unname(eggerfit3$StandardError[2]), 0.042, tol = 1e-2)
expect_equal(unname(eggerfit3$StandardError[3]), 0.048, tol = 1e-2)
expect_equal(unname(eggerfit3$CredibleInterval[1]), 0.437, tol = 1e-2)
expect_equal(unname(eggerfit3$CredibleInterval[2]), -0.177, tol = 1e-2)
expect_equal(unname(eggerfit3$CredibleInterval[3]), 0.225, tol = 1e-2)
expect_equal(unname(eggerfit3$CredibleInterval[4]), 0.531, tol = 1e-2)
expect_equal(unname(eggerfit3$CredibleInterval[5]), -0.094, tol = 1e-2)
expect_equal(unname(eggerfit3$CredibleInterval[6]), 0.326, tol = 1e-2)
expect_equal(unname(eggerfit3$CredibleInterval[7]), 0.625, tol = 1e-2)
expect_equal(unname(eggerfit3$CredibleInterval[8]), -0.0224, tol = 1e-2)
expect_equal(unname(eggerfit3$CredibleInterval[9]), 0.427, tol = 1e-2)
expect_equal(unname(eggerfit3$AvgPleio), -0.002, tol = 1e-2)
expect_equal(unname(eggerfit3$sigma), 0.997, tol = 1e-2)
expect_equal(class(eggerfit3$samples), "mcmc.list")
expect_equal(eggerfit3$priormethod, "default")
})
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