Nothing
defaultNumber <- RcppParallel::defaultNumThreads()
tol <- 1e-6
test_that("The number of cores for RcppParallel", {
expect_error(
setCores("s"),
"Please enter valid type - but got character"
)
expect_error(
setCores(-1),
"The number of cores is not greater than 1 - but got -1"
)
expect_error(
setCores(defaultNumber + 1),
cat("The input number of cores is invalid - default is ", defaultNumber)
)
expect_true(setCores(defaultNumber))
expect_null(setCores())
})
# Test invalid input
x1 <- matrix(seq(-7, 7, length = 4), nrow = 4, ncol = 1)
x2 <- matrix(seq(-7, 7, length = 5), nrow = 5, ncol = 1)
Y1 <- matrix(rnorm(n = 100 * 4), 100, 4)
Y2 <- matrix(rnorm(n = 100 * 5), 100, 5)
M <- 5
test_that("check input of spatmca", {
expect_null(checkInputData(x1, x2, Y1, Y2, M))
expect_error(
checkInputData(matrix(1:10, nrow = 1), x2, Y1, Y2, M),
cat("The number of rows of x1 should be equal to the number of columns of Y1.")
)
expect_error(
checkInputData(x1, matrix(1:10, nrow = 1), Y1, Y2, M),
cat("The number of rows of x2 should be equal to the number of columns of Y2.")
)
expect_error(
checkInputData(matrix(1:10, nrow = 2), x2, matrix(rnorm(n = 100 * 2), 100, 2), Y2, M),
cat("Number of locations must be larger than 2.")
)
expect_error(
checkInputData(matrix(1:20, nrow = 4), x2, matrix(rnorm(n = 100 * 4), 100, 4), Y2, M),
cat("Dimension of locations must be less 4.")
)
expect_error(
checkInputData(x1, x2, matrix(rnorm(n = 50 * 4), 50, 4), Y2, M),
cat("The numbers of sample sizes of both data should be equal")
)
expect_error(
checkInputData(x1, x2, Y1, Y2, 101),
cat("Number of folds must be less than sample size, but got M = 101")
)
})
# Test detrend
test_that("check detrending", {
expect_equal(detrend(Y1, FALSE), Y1)
expect_lte(sum(detrend(Y1, TRUE)), tol)
})
# Test plot functions
set.seed(1234)
originalPar <- par(no.readonly = TRUE)
num_cores <- 2
p <- q <- 4
n <- 20
x1 <- matrix(seq(-7, 7, length = p), nrow = p, ncol = 1)
x2 <- matrix(seq(-7, 7, length = q), nrow = q, ncol = 1)
u <- exp(-x1^2) / norm(exp(-x1^2), "F")
v <- exp(-(x2 - 2)^2) / norm(exp(-(x2 - 2)^2), "F")
Sigma <- array(0, c(p + q, p + q))
Sigma[1:p, 1:p] <- diag(p)
Sigma[(p + 1):(p + q), (p + 1):(p + q)] <- diag(p)
Sigma[1:p, (p + 1):(p + q)] <- u %*% t(v)
Sigma[(p + 1):(p + q), 1:p] <- t(Sigma[1:p, (p + 1):(p + q)])
noise <-
MASS::mvrnorm(n, mu = rep(0, p + q), Sigma = 0.001 * diag(p + q))
Y <- MASS:::mvrnorm(n, mu = rep(0, p + q), Sigma = Sigma) + noise
Y1 <- Y[, 1:p]
Y2 <- Y[, -(1:p)]
cv_1D <- spatmca(
x1,
x2,
Y1,
Y2,
K = 1,
num_cores = num_cores
)
cv_data <- expand.grid(u = cv_1D$tau1u, v = cv_1D$tau1v)
cv_data$cv <- as.vector(cv_1D$cv1)
plot_obj <- plot_cv_field(cv_data, "first variate")
test_that("GGplot objects", {
expect_true("ggplot" %in% class(plot_obj))
})
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