Nothing
context("Change Observations")
num_test_points = 10
test_that("Conjugate Change Observations", {
data_test = rnorm(num_test_points)
dpobj <- DirichletProcessGaussian(data_test)
dpobj <- Fit(dpobj, 10, FALSE, FALSE)
new_data_test <- rnorm(20)
dpobj <- ChangeObservations(dpobj, new_data_test)
expect_equal(dpobj$data, matrix(new_data_test, ncol=1))
expect_equal(dpobj$n, length(new_data_test))
expect_equal(sum(dpobj$pointsPerCluster), length(new_data_test))
})
test_that("Non Conjugate Change Observations", {
data_test <- rweibull(num_test_points, 1, 1)
dpobj <- DirichletProcessWeibull(data_test, c(10, 2, 4))
dpobj <- Fit(dpobj, 10, FALSE, FALSE)
new_data_test <- rweibull(20, 1, 1)
dpobj <- ChangeObservations(dpobj, new_data_test)
expect_equal(dpobj$data, matrix(new_data_test, ncol=1))
expect_equal(dpobj$n, length(new_data_test))
expect_equal(sum(dpobj$pointsPerCluster), length(new_data_test))
})
test_that("Hierarchcial Change Observations", {
testData <- list(rbeta(10, 2,3), rbeta(10, 5, 4))
dpList <- DirichletProcessHierarchicalBeta(testData, 1)
dpList <- Fit(dpList, 5, FALSE, FALSE)
newData <- list(rbeta(10, 2,3), rbeta(20, 5, 4))
dpListNew <- ChangeObservations(dpList, newData)
expect_equal(newData[[1]], c(dpListNew$indDP[[1]]$data))
expect_equal(newData[[2]], c(dpListNew$indDP[[2]]$data))
expect_equal(sum(dpListNew$indDP[[1]]$pointsPerCluster), 10)
expect_equal(sum(dpListNew$indDP[[2]]$pointsPerCluster), 20)
dpListNew <- Fit(dpListNew, 2, FALSE, FALSE)
expect_is(dpListNew, class(dpList))
})
test_that("2D Change Observations", {
testData <- scale(faithful)
dp <- DirichletProcessMvnormal(testData)
dp <- Fit(dp, 3, progressBar = F)
dpNew <- ChangeObservations(dp, abs(testData))
dpNew <- Fit(dpNew, 4, progressBar = F)
expect_is(dpNew, class(dp))
expect_equal(abs(testData), dpNew$data)
})
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