Nothing
context("densities-snorm")
set.seed(313)
x <- rnorm(10)
theta0 <- 0
tau <- 0.05
sigma <- 0.1
alpha <- c(0, 0.025, 0.05, 1)
eta <- c(1, 0.4, 0.1)
## Checks log.
expect_equal(
log(dsnorm(x, theta0 = theta0, sigma = sigma, tau = tau, eta = eta)),
dsnorm(x, theta0 = theta0, sigma = sigma, tau = tau, eta = eta, log = TRUE)
)
## Random variate generation.
n <- 3
y <- rep(1, n)
expect_equal({
set.seed(1)
rsnorm(n, theta0 = theta0, sigma = sigma, tau = tau, eta = eta)
}, {
set.seed(1)
rsnorm(y, theta0 = theta0, sigma = sigma, tau = tau, eta = eta)
},
)
expect_error(rsnorm(n, theta0 = theta0, sigma = sigma, tau = tau, eta = 1))
## Expectation.
integrand <- function(theta) {
theta * dsnorm(theta, theta0, tau, sigma, alpha, eta)
}
expectation <- integrate(integrand, lower = -Inf, upper = Inf)$value
expect_equal(esnorm(theta0, tau, sigma, alpha, eta), expectation)
## Errors
expect_error(psnorm(x, theta0 = NA, sigma = sigma, tau = tau, eta = eta))
expect_error(psnorm(x, theta0 = theta0, sigma = -1, tau = tau, eta = eta))
expect_error(psnorm(x, theta0 = theta0, sigma = sigma, tau = 0, eta = eta))
expect_error(rsnorm(1, theta0 = NA, sigma = sigma, tau = tau, eta = eta))
expect_error(rsnorm(1, theta0 = theta0, sigma = -1, tau = tau, eta = eta))
expect_error(rsnorm(1, theta0 = theta0, sigma = sigma, tau = 0, eta = eta))
expect_error(dsnorm(x, theta0 = NA, sigma = sigma, tau = tau, eta = eta))
expect_error(dsnorm(x, theta0 = theta0, sigma = -1, tau = tau, eta = eta))
expect_error(dsnorm(x, theta0 = theta0, sigma = sigma, tau = 0, eta = eta))
expect_error(dsnorm("x", theta0 = theta0, sigma = sigma, tau = tau, eta = eta))
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