context("Test mfpca")
test_that("all mfpca functions work on the DTI example", {
skip_on_cran()
data(DTI)
DTI <- subset(DTI, Nscans < 6) ## example where all subjects have 6 or fewer visits
id <- DTI$ID
Y <- DTI$cca
mfpca.sc.DTI <- mfpca.sc(Y = Y, id = id, twoway = TRUE)
mfpca.face.DTI <- mfpca.face(Y = Y, id = id, twoway = TRUE)
expect_equal(dim(mfpca.face.DTI$Yhat)[1], dim(mfpca.sc.DTI$Yhat)[1])
expect_equal(dim(mfpca.face.DTI$Yhat.subject)[1], dim(mfpca.sc.DTI$Yhat.subject)[1])
expect_equal(dim(mfpca.face.DTI$scores$level1)[1], dim(mfpca.sc.DTI$scores$level1)[1])
expect_equal(dim(mfpca.face.DTI$scores$level2)[1], dim(mfpca.sc.DTI$scores$level2)[1])
})
test_that("mfpca.face options work", {
skip_on_cran()
data(DTI)
DTI <- subset(DTI, Nscans < 6) ## example where all subjects have 6 or fewer visits
id <- DTI$ID
Y <- DTI$cca
mfpca.base <- mfpca.face(Y = Y, id = id)
# visit argument
mfpca.visit <- mfpca.face(Y = Y, id = id, visit = DTI$visit)
expect_equal(mfpca.base$npc$level1, mfpca.visit$npc$level1)
# weight argument
mfpca.weight <- mfpca.face(Y = Y, id = id, weight = "subj")
expect_equal(dim(mfpca.base$scores$level1)[1], dim(mfpca.weight$scores$level1)[1])
# pve argument
mfpca.pve <- mfpca.face(Y = Y, id = id, pve = 0.95)
expect_equal(dim(mfpca.base$scores$level1)[1], dim(mfpca.pve$scores$level1)[1])
# npc argument
mfpca.npc <- mfpca.face(Y = Y, id = id, npc = 5)
expect_equal(mfpca.npc$npc$level1, 5)
expect_equal(mfpca.npc$npc$level2, 5)
})
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