Nothing
smk_net <- set_agd_arm(smoking,
study = studyn,
trt = trtc,
r = r,
n = n,
trt_ref = "No intervention")
# Only test gradients, no sampling
smk_fit_RE <- nma(smk_net,
trt_effects = "random",
prior_intercept = normal(scale = 100),
prior_trt = normal(scale = 100),
prior_het = normal(scale = 5),
test_grad = TRUE)
test_that("baseline argument", {
m <- "should be specified using distr"
expect_error(predict(smk_fit_RE, baseline = "a"), m)
expect_error(predict(smk_fit_RE, baseline = 1), m)
expect_error(predict(smk_fit_RE, baseline = list("a")), m)
expect_error(predict(smk_fit_RE, baseline = NA), m)
})
test_that("trt_ref argument", {
m <- "does not match a treatment in the network"
expect_error(predict(smk_fit_RE, baseline = distr(qnorm, mean = -1, sd = 0.01), trt_ref = "a"), m)
expect_error(predict(smk_fit_RE, baseline = distr(qnorm, mean = -1, sd = 0.01), trt_ref = 1), m)
expect_error(predict(smk_fit_RE, baseline = distr(qnorm, mean = -1, sd = 0.01), trt_ref = list("a")), m)
expect_error(predict(smk_fit_RE, baseline = distr(qnorm, mean = -1, sd = 0.01), trt_ref = NA), m)
})
test_that("probs argument", {
m <- "numeric vector of probabilities"
expect_error(predict(smk_fit_RE, probs = "a"), m)
expect_error(predict(smk_fit_RE, probs = -1), m)
expect_error(predict(smk_fit_RE, probs = 1.5), m)
expect_error(predict(smk_fit_RE, probs = Inf), m)
expect_error(predict(smk_fit_RE, probs = list()), m)
expect_error(predict(smk_fit_RE, probs = NA), m)
expect_error(predict(smk_fit_RE, probs = NULL), m)
})
test_that("summary argument", {
m <- "should be TRUE or FALSE"
expect_error(predict(smk_fit_RE, summary = "a"), m)
expect_error(predict(smk_fit_RE, summary = 1), m)
expect_error(predict(smk_fit_RE, summary = list()), m)
expect_error(predict(smk_fit_RE, summary = NA), m)
expect_error(predict(smk_fit_RE, summary = NULL), m)
})
test_that("newdata argument", {
m <- "not a data frame"
expect_error(predict(smk_fit_RE, newdata = "a"), m)
expect_error(predict(smk_fit_RE, newdata = 1), m)
expect_error(predict(smk_fit_RE, newdata = list()), m)
expect_error(predict(smk_fit_RE, newdata = NA), m)
})
test_that("type argument", {
m <- "must be one of"
expect_error(predict(smk_fit_RE, type = "a"), m)
expect_error(predict(smk_fit_RE, type = "lin"), m)
m2 <- "must be a character vector"
expect_error(predict(smk_fit_RE, type = 1), m2)
expect_error(predict(smk_fit_RE, type = list("a")), m2)
expect_error(predict(smk_fit_RE, type = NA), m2)
})
test_that("level argument", {
m <- "must be one of"
expect_error(predict(smk_fit_RE, level = "a"), m)
expect_error(predict(smk_fit_RE, level = "agg"), m)
m2 <- "must be a character vector"
expect_error(predict(smk_fit_RE, level = 1), m2)
expect_error(predict(smk_fit_RE, level = list("a")), m2)
expect_error(predict(smk_fit_RE, level = NA), m2)
expect_error(predict(smk_fit_RE, level = "individual"),
"Cannot produce individual predictions without a regression model.")
})
test_that("baseline_type argument", {
m <- "must be one of"
expect_error(predict(smk_fit_RE, baseline_type = "a"), m)
expect_error(predict(smk_fit_RE, baseline_type = "lin"), m)
m2 <- "must be a character vector"
expect_error(predict(smk_fit_RE, baseline_type = 1), m2)
expect_error(predict(smk_fit_RE, baseline_type = list("a")), m2)
expect_error(predict(smk_fit_RE, baseline_type = NA), m2)
})
test_that("baseline_level argument", {
m <- "must be one of"
expect_error(predict(smk_fit_RE, baseline_level = "a"), m)
expect_error(predict(smk_fit_RE, baseline_level = "agg"), m)
m2 <- "must be a character vector"
expect_error(predict(smk_fit_RE, baseline_level = 1), m2)
expect_error(predict(smk_fit_RE, baseline_level = list("a")), m2)
expect_error(predict(smk_fit_RE, baseline_level = NA), m2)
})
skip_on_cran() # Reduce CRAN check time
# Only small number of samples to test
smk_fit_RE <- suppressWarnings(nma(smk_net,
trt_effects = "random",
prior_intercept = normal(scale = 100),
prior_trt = normal(scale = 100),
prior_het = normal(scale = 5),
iter = 10))
test_that(".study, .trt columns are correct", {
pred1 <- tibble::as_tibble(predict(smk_fit_RE))
expect_identical(paste0("pred[", pred1$.study, ": ", pred1$.trt, "]"),
pred1$parameter)
pred2 <- tibble::as_tibble(predict(smk_fit_RE, baseline = distr(qnorm, 0, 1)))
expect_identical(paste0("pred[", pred2$.trt, "]"),
pred2$parameter)
})
pso_net <- set_ipd(plaque_psoriasis_ipd[complete.cases(plaque_psoriasis_ipd), ],
studyc, trtc,
r = pasi75)
# Only small number of samples to test
pso_fit <- suppressWarnings(nma(pso_net,
trt_effects = "fixed",
regression = ~(durnpso + prevsys + bsa + weight + psa)*.trt,
prior_intercept = normal(scale = 10),
prior_trt = normal(scale = 10),
prior_reg = normal(scale = 10),
init_r = 0.1,
iter = 10))
pso_new <- data.frame(durnpso = 10, prevsys = TRUE, bsa = 20, weight = 75, psa = FALSE, study = c("One", "Two"))
test_that("baseline and newdata for regression models", {
m <- "Specify both `newdata` and `baseline`, or neither"
expect_error(predict(pso_fit, newdata = pso_new), m)
expect_error(predict(pso_fit, baseline = distr(qnorm, 1, 1)), m)
})
test_that("baseline argument", {
m <- "should be a single distr\\(\\) specification, a list of distr\\(\\) specifications, or NULL"
expect_error(predict(pso_fit, study = study, newdata = pso_new, baseline = "a"), m)
expect_error(predict(pso_fit, study = study, newdata = pso_new, baseline = 1), m)
expect_error(predict(pso_fit, study = study, newdata = pso_new, baseline = list("a")), m)
expect_error(predict(pso_fit, study = study, newdata = pso_new, baseline = NA), m)
m2 <- "or a list of length 2"
expect_error(predict(pso_fit, study = study, newdata = pso_new, baseline = list(distr(qnorm, 1, 1),
distr(qnorm, 2, 1),
distr(qnorm, 3, 1))), m2)
expect_error(predict(pso_fit, study = study, newdata = pso_new, baseline = list(One = distr(qnorm, 1, 1),
Two = distr(qnorm, 2, 1),
Three = distr(qnorm, 3, 1))), m2)
expect_error(predict(pso_fit, study = study, newdata = pso_new, baseline = list(One = distr(qnorm, 1, 1),
Three = distr(qnorm, 3, 1))),
"must match all study names")
})
test_that("newdata validation", {
expect_error(predict(pso_fit, newdata = pso_new[-1], study = study, baseline = distr(qnorm, 1, 1)),
'Regression variable "durnpso" not found in `newdata`')
expect_error(predict(pso_fit, newdata = pso_new[-(1:2)], study = study, baseline = distr(qnorm, 1, 1)),
'Regression variables "durnpso" and "prevsys" not found in `newdata`')
make_bad <- function(x, vars = "durnpso") {
bad <- pso_new
bad[vars] <- x
return(bad)
}
expect_error(predict(pso_fit, newdata = make_bad(NA), study = study, baseline = distr(qnorm, 1, 1)),
"missing or infinite values in `newdata`: durnpso")
expect_error(predict(pso_fit, newdata = make_bad(NaN), study = study, baseline = distr(qnorm, 1, 1)),
"missing or infinite values in `newdata`: durnpso")
expect_error(predict(pso_fit, newdata = make_bad(Inf), study = study, baseline = distr(qnorm, 1, 1)),
"missing or infinite values in `newdata`: durnpso")
expect_error(predict(pso_fit, newdata = make_bad(NA, c("durnpso", "psa")), study = study, baseline = distr(qnorm, 1, 1)),
"missing or infinite values in `newdata`: durnpso, psa")
expect_error(predict(pso_fit, newdata = make_bad(NaN, c("durnpso", "psa")), study = study, baseline = distr(qnorm, 1, 1)),
"missing or infinite values in `newdata`: durnpso, psa")
expect_error(predict(pso_fit, newdata = make_bad(Inf, c("durnpso", "psa")), study = study, baseline = distr(qnorm, 1, 1)),
"missing or infinite values in `newdata`: durnpso, psa")
})
test_that(".study, .trt columns are correct", {
pred1 <- tibble::as_tibble(predict(pso_fit))
expect_identical(paste0("pred[", pred1$.study, ": ", pred1$.trt, "]"),
pred1$parameter)
pred2 <- tibble::as_tibble(predict(pso_fit, newdata = pso_new, study = study, baseline = distr(qnorm, 1, 1)))
expect_identical(paste0("pred[", pred2$.study, ": ", pred2$.trt, "]"),
pred2$parameter)
})
hta_net <- set_agd_arm(hta_psoriasis,
study = paste(studyc, year),
trt = trtc,
r = multi(r0 = sample_size - rowSums(cbind(PASI50, PASI75, PASI90), na.rm = TRUE),
PASI50, PASI75, PASI90,
inclusive = FALSE,
type = "ordered"))
# Only small number of samples to test
hta_fit_FE <- suppressWarnings(nma(hta_net,
trt_effects = "fixed",
link = "probit",
prior_intercept = normal(scale = 100),
prior_trt = normal(scale = 10),
prior_aux = flat(),
iter = 10))
test_that(".study, .trt, .category columns are correct", {
pred1 <- tibble::as_tibble(predict(hta_fit_FE))
expect_identical(paste0("pred[", pred1$.study, ": ", pred1$.trt, ", ", pred1$.category, "]"),
pred1$parameter)
pred2 <- tibble::as_tibble(predict(hta_fit_FE, baseline = distr(qnorm, 0, 1)))
expect_identical(paste0("pred[", pred2$.trt, ", ", pred2$.category, "]"),
pred2$parameter)
})
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