Nothing
context("pfa.kcca")
suppressMessages(suppressWarnings(library(flexclust)))
test_that("Check kcca model with family kmeans", {
input <- as.list(iris[73,3:4])
names(input) <- gsub('\\.', '_', names(input))
kcca_kmeans_model <- kcca(iris[, 3:4], k = 3, family=kccaFamily("kmeans"))
kcca_kmeans_model_as_pfa <- pfa(kcca_kmeans_model)
kcca_kmeans_engine <- pfa_engine(kcca_kmeans_model_as_pfa)
expect_equal(kcca_kmeans_engine$action(input),
as.character(predict(kcca_kmeans_model, newdata=as.data.frame(input))))
})
test_that("Check kcca model with family kmeans and custom cluster names", {
input <- as.list(iris[73,3:4])
names(input) <- gsub('\\.', '_', names(input))
set.seed(20)
kcca_kmeans_model <- kcca(x=iris[,3:4], k=3, family=kccaFamily("kmeans"), control=list(iter=5))
custom_cluster_names <- c('virginica', 'versicolor', 'setosa')
kcca_kmeans_model_as_pfa <- pfa(kcca_kmeans_model, cluster_names = custom_cluster_names)
kcca_kmeans_engine <- pfa_engine(kcca_kmeans_model_as_pfa)
expect_equal(kcca_kmeans_engine$action(input),
custom_cluster_names[predict(kcca_kmeans_model, newdata=as.data.frame(input))])
})
test_that("Check kccasimple model", {
input <- as.list(iris[73,3:4])
names(input) <- gsub('\\.', '_', names(input))
kccasimple_kmeans_model <- kcca(iris[, 3:4], k = 3, family=kccaFamily("kmeans"), simple=T)
kccasimple_kmeans_model_as_pfa <- pfa(kccasimple_kmeans_model)
kccasimple_kmeans_engine <- pfa_engine(kccasimple_kmeans_model_as_pfa)
expect_equal(kccasimple_kmeans_engine$action(input),
as.character(predict(kccasimple_kmeans_model, newdata=as.data.frame(input))))
})
test_that("Check kcca model with family kmedians", {
input <- as.list(iris[73,3:4])
names(input) <- gsub('\\.', '_', names(input))
kcca_kmedians_model <- kcca(iris[, 3:4], k = 3, family=kccaFamily("kmedians"))
kcca_kmedians_model_as_pfa <- pfa(kcca_kmedians_model)
kcca_kmedians_engine <- pfa_engine(kcca_kmedians_model_as_pfa)
expect_equal(kcca_kmedians_engine$action(input),
as.character(predict(kcca_kmedians_model, newdata=as.data.frame(input))))
})
test_that("Check kcca model with family angle", {
input <- as.list(iris[73,3:4])
names(input) <- gsub('\\.', '_', names(input))
kcca_angle_model <- kcca(iris[, 3:4], k = 3, family=kccaFamily("angle"))
kcca_angle_model_as_pfa <- pfa(kcca_angle_model)
kcca_angle_engine <- pfa_engine(kcca_angle_model_as_pfa)
expect_equal(kcca_angle_engine$action(input),
as.character(predict(kcca_angle_model, newdata=as.data.frame(input))))
})
test_that("Check kcca model with family jaccard", {
input <- as.list(apply(iris[73,3:4], c(1,2), as.logical))
names(input) <- gsub('\\.', '_', names(iris[73,3:4]))
kcca_jaccard_model <- kcca(iris[, 3:4], k = 3, family=kccaFamily("jaccard"))
kcca_jaccard_model_as_pfa <- pfa(kcca_jaccard_model)
kcca_jaccard_engine <- pfa_engine(kcca_jaccard_model_as_pfa)
expect_equal(kcca_jaccard_engine$action(input),
as.character(predict(kcca_jaccard_model, newdata=as.data.frame(input))))
})
test_that("Check kcca model with family ejaccard", {
kcca_ejaccard_model <- kcca(iris[, 3:4], k = 3, family=kccaFamily("ejaccard"))
expect_error(pfa(kcca_ejaccard_model),
'Currently not supporting cluster models with distance metric ejaccard')
})
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