library(catR, quietly = TRUE)
context("fisherTestInfo")
load("cat_objects.Rdata")
test_that("fisherTestInfo calculates correctly", {
ltm_cat@answers[1:5] <- c(1, 0, 0, 1, 1)
package_fisherTI <- fisherTestInfo(ltm_cat, 2)
catR_fisherTI <- sum(Ii(th = 2, it = it_ltm)$Ii[1:5])
expect_equal(package_fisherTI, catR_fisherTI)
})
test_that("fisherTestInfo calculates correctly", {
grm_cat@answers[1:5] <- c(5, 4, 1, 1, 1)
package_fisherTI <- fisherTestInfo(grm_cat, 2)
catR_fisherTI <- sum(Ii(th = 2, it = it_grm, model = "GRM")$Ii[1:5])
expect_equal(round(package_fisherTI, 3), round(catR_fisherTI, 3))
})
test_that("fisherTestInfo calculates correctly", {
gpcm_cat@answers[1:5] <- c(5, 4, 1, 1, 1)
package_fisherTI <- fisherTestInfo(gpcm_cat, 2)
catR_fisherTI <- sum(Ii(th = 2, it = it_gpcm, model = "GPCM")$Ii[1:5])
expect_equal(package_fisherTI, catR_fisherTI)
})
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