Nothing
test_that("Output of function 'T1EpSceptical' stay the same.", {
# define a range of levels acceptable (Note: 0 and 1 are not allowed)
grid <- expand.grid(
level = c(1e-7, 0.01, 0.05, 0.5, 1-1e-7),
c = c(1e-4, 1, 10),
alternative = c("one.sided", "two.sided"),
type = c("nominal", "golden", "controlled"),
stringsAsFactors = FALSE
)
out <- lapply(
seq_len(nrow(grid)),
function(i) {
tryCatch({
T1EpSceptical(
level = grid[i, "level"],
c = grid[i, "c"],
alternative = grid[i, "alternative"],
type = grid[i, "type"]
)
},
warning = function(w) "warning!",
error = function(e) "error!"
)
}
)
res <- list(9.24073919755551e-15, 9.94872305430809e-05, 0.0024950514883354,
0.24999999994854, 0.999999799853507, 0, 8.19058695922248e-07,
0.000250729166410224, 0.25, 0.5, 8.78917787195368e-96, 5.88921627520935e-12,
6.34481584096957e-07, 0.24999999994854, "warning!", 9.1857117431564e-15,
9.92758489167359e-05, 0.00249125903397981, 0.249957677864376,
0.99999979979417, 0, 2.58192729640783e-07, 8.85754383213033e-05,
0.177343550652352, 0.9999998, 5.62869116688093e-97, 1.32085180488759e-13,
1.90786517856787e-08, 0.0612591963304767, 0.99999979979417,
4.58099968946634e-10, 0.00113320544206031, 0.00959196973229814,
0.24999999994854, 0.999956368779407, 5.55111512312578e-17,
6.36164163083097e-05, 0.00242595957911751, 0.25, 0.5, 3.1662805622495e-34,
4.02078209006979e-08, 5.79358164705846e-05, 0.24999999994854,
"warning!", 7.63359299991196e-10, 0.00183053424414904, 0.0151929064306378,
0.355119419090057, 0.999999842563891, 0, 5.12212418299907e-05,
0.00205852045131949, 0.288916238382482, 0.999999842769725,
6.67985672501231e-35, 6.29338518993261e-09, 1.06838888896613e-05,
0.147594067329956, 0.999999842563891, 9.24073919755551e-15,
9.94872305430809e-05, 0.00250115238059538, "error!", "error!",
3.88578058618805e-15, 9.99684762925668e-05, 0.00250185985358242,
"error!", "error!", 1.00918482388188e-14, 0.000100007728118814,
0.00250019261604261, "error!", "error!", 9.1857117431564e-15,
0.000100493444147997, 0.00249735254469641, 0.250018723027083,
"error!", 1.55431223447522e-14, 0.000100126831303671, 0.00250012364444463,
0.249984142409984, "error!", 9.89374814891535e-15, 0.000100003454270831,
0.00250008063564273, 0.249951571398768, "error!")
expect_equal(out, res)
})
# This is an adapted version of a test written by CM
test_that("Function 'T1EpSceptical' works as intended.", {
# required functions
zrHowLarge <- function(zo, c, level) {
z <- p2z(level, alternative = "one.sided")
result <- z * sqrt(1 + c/(zo^2 / z^2 - 1))
return(result)
}
f <- function(zo, level, c) {
zrMin <- zrHowLarge(zo = zo, c = c, level = level)
return((1 - pnorm(zrMin)) * dnorm(zo))
}
f2 <- function(zo, level, c, sig.level, origPower) {
zrMin <- zrHowLarge(zo = zo, c = c, level = level)
zalpha <- qnorm(1 - sig.level)
mu <- zalpha + qnorm(origPower)
return((1 - pnorm(zrMin, mean = sqrt(c) * mu)) * dnorm(zo, mean = mu))
}
alpha <- 0.025
myc <- exp(seq(log(0.25), log(10), length.out = 10))
type <- c("nominal", "golden", "controlled")
T1E1 <- T1E1_formula <-
POWER1 <- POWER1_formula <-
matrix(NA, ncol = length(type), nrow = length(myc))
myorigPower <- 0.9
for (i in 1:length(type)) {
for (j in 1:length(myc)) {
T1E1[j, i] <- integrate(
f,
lower = qnorm(
levelSceptical(
type = type[i], c = myc[j],
level = alpha, alternative = "one.sided"
),
lower.tail = FALSE
),
upper = Inf,
level = levelSceptical(
type = type[i], c = myc[j],
level = alpha, alternative = "one.sided"
),
c = myc[j]
)$value
T1E1_formula[, i] <- T1EpSceptical(
level = alpha,
c = myc,
alternative = "one.sided", # !not! "one.sided"
type = type[i]
)
POWER1[j, i] <- integrate(
f2,
lower = qnorm(
levelSceptical(
type = type[i], c = myc[j],
level = alpha, alternative = "one.sided"
),
lower.tail = FALSE
),
upper = Inf,
level = levelSceptical(
type = type[i], c = myc[j],
level = alpha, alternative = "one.sided"
),
c = myc[j],
sig.level = alpha,
origPower = myorigPower
)$value
POWER1_formula[, i] <- PPpSceptical(
level = 0.025,
c = myc,
alternative = "one.sided",
type = type[i],
alpha = alpha,
power = myorigPower
)
}
}
expect_equal(POWER1, POWER1_formula)
expect_equal(T1E1, T1E1_formula)
})
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