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context("filters")
cat("rankSimpleFilters")
test_that("base filters of ensemble filters are ranked correctly", {
requirePackagesOrSkip("Hmisc", default.method = "load")
filters.ranked = rankBaseFilters(task.filters.rank,
method = c("univariate.model.score", "variance"),
nselect = 9, more.args = list())
# split into groups to check the ordering of vars "value" and "rank" for each
data.split = split(filters.ranked, filters.ranked$filter)
foo = lapply(data.split, function(x) {
expect_false(is.unsorted(x[["value"]]))
expect_false(is.unsorted(x[["rank"]]))
})
# check that the highest value has also the highest rank
expect_true(which.max(data.split[[1]]$value) == which.max(data.split[[1]]$rank))
expect_true(which.max(data.split[[2]]$value) == which.max(data.split[[2]]$rank))
})
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