Nothing
test_that("SurvivalSurvival model works with Clayton copula for Ovarian data",
{
data("Ovarian")
#For simplicity, data is not recoded to semi-competing risks format, but is
#left in the composite event format.
data = data.frame(Ovarian$Pfs,
Ovarian$Surv,
Ovarian$Treat,
Ovarian$PfsInd,
Ovarian$SurvInd)
fitted_model = fit_model_SurvSurv(data = data,
copula_family = "clayton",
n_knots = 1)
log_lik_fitted = c(logLik(fitted_model$fit_0), logLik(fitted_model$fit_1))
expect_equal(log_lik_fitted, c(362.79316, 283.69633), ignore_attr = "df")
})
test_that("SurvivalSurvival model works with Gaussian copula for Ovarian data",
{
data("Ovarian")
#For simplicity, data is not recoded to semi-competing risks format, but is
#left in the composite event format.
data = data.frame(Ovarian$Pfs,
Ovarian$Surv,
Ovarian$Treat,
Ovarian$PfsInd,
Ovarian$SurvInd)
fitted_model = fit_model_SurvSurv(data = data,
copula_family = "gaussian",
n_knots = 2)
log_lik_fitted = c(logLik(fitted_model$fit_0), logLik(fitted_model$fit_1))
expect_equal(log_lik_fitted, c(336.84319, 274.04324), ignore_attr = "df")
})
test_that("SurvivalSurvival model works with Frank copula for Ovarian data",
{
data("Ovarian")
#For simplicity, data is not recoded to semi-competing risks format, but is
#left in the composite event format.
set.seed(1)
data = data.frame(
Ovarian$Pfs,
Ovarian$Surv + rchisq(n = nrow(Ovarian), df = 1),
Ovarian$Treat,
Ovarian$PfsInd,
Ovarian$SurvInd
)
fitted_model = fit_model_SurvSurv(data = data,
copula_family = "frank",
n_knots = 1,
method = "BFGS")
log_lik_fitted = c(logLik(fitted_model$fit_0), logLik(fitted_model$fit_1))
expect_equal(log_lik_fitted, c(-773.393369372, -788.634180506),
ignore_attr = "df", tolerance = 1e-5)
})
test_that("SurvivalSurvival model works with Gumbel copula for Ovarian data",
{
data("Ovarian")
#For simplicity, data is not recoded to semi-competing risks format, but is
#left in the composite event format.
data = data.frame(Ovarian$Pfs,
Ovarian$Surv,
Ovarian$Treat,
Ovarian$PfsInd,
Ovarian$SurvInd)
fitted_model = fit_model_SurvSurv(data = data,
copula_family = "gumbel",
n_knots = 1)
log_lik_fitted = c(logLik(fitted_model$fit_0), logLik(fitted_model$fit_1))
expect_equal(log_lik_fitted, c(338.562039, 274.257801), ignore_attr = "df")
})
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