Nothing
context("log_density_binom")
test_that("Test the good input/output of the log density", {
input <- data.frame(success = c(1,0,2,0,1,0,0,1),
cases = c(8, 1,3,3,10,1,2,1),
x1 = c(11,12,15,16,18,1,10,10),
group = c("10","20","10","10","20","10","10","20"),
stringsAsFactors = TRUE)
input$prop <- input$success/input$cases
input_matrix<-list()
input_group<-list()
for (g in as.numeric(levels(input$group))) {
input_group[[g]]<-input %>% filter(input[,"group"] == g)
input_matrix[[g]]<-model.matrix(success ~ x1, data = input_group[[g]])
}
input_lambda<-c(0.80,0.20)
input_beta<-matrix(cbind(glm(prop ~ x1, family = binomial, data = input_group[[10]], weights = cases)$coefficients,
glm(prop ~ x1, family = binomial, data = input_group[[20]], weights = cases)$coefficients),ncol=2)
K<-2
g<-as.numeric(levels(input$group))[1]
k<-2
expect_is(log_density_binom(input_group[[g]][, "prop"],
input_matrix[[g]],
input_beta,
1,
input_group[[g]][,"cases"]),
"numeric")
expect_error(log_density_binom(-input_group[[g]][, "prop"],
input_matrix[[g]],
input_beta,
1,
input_group[[g]][,"cases"]),
'target variable must be > 0')
expect_error(log_density_binom(-input_group[[g]][, "prop"],
input_matrix[[g]],
input_beta,
1,
input_group[[g]][,"cases"]),
'target variable must be > 0')
expect_error(log_density_binom(input_group[[g]][, "success"],
input_matrix[[g]][-1,],
input_beta,
1,
input_group[[g]][,"cases"]),
'check for dimension of target variable and/or design matrices')
g<-20
expect_error(log_density_binom(input_group[[g]][, "success"],
input_matrix[[g]],
input_beta,
1,
c(1,0,1)),
'Loglikelihood result is infinite : verify values of target and weights variables')
})
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