Nothing
context('test base-infer')
test_that('infer works for MDS-likes', {
skip_on_cran()
skip_on_travis()
# MDS
data(eurodist)
expect_equal(infer(cmdscale(eurodist, eig = TRUE)), 'mds-like')
expect_equal(infer(cmdscale(eurodist, add = TRUE)), 'mds-like')
expect_equal(infer(cmdscale(eurodist, x.ret = TRUE)), 'mds-like')
library(MASS)
expect_equal(infer(isoMDS(eurodist)), 'mds-like')
expect_equal(infer(sammon(eurodist)), 'mds-like')
})
test_that('fortify works for MDS-likes', {
skip_on_cran()
skip_on_travis()
# MDS
data(eurodist)
fortified <- fortify(cmdscale(eurodist, eig = TRUE))
expect_equal(is.data.frame(fortified), TRUE)
expect_equal(colnames(fortified), c('1', '2'))
expect_equal(nrow(fortified), 21)
fortified <- fortify(cmdscale(eurodist, x.ret = TRUE))
expect_equal(is.data.frame(fortified), TRUE)
expect_equal(colnames(fortified), c('1', '2'))
expect_equal(nrow(fortified), 21)
fortified <- fortify(cmdscale(eurodist, k = 4, add = TRUE))
expect_equal(is.data.frame(fortified), TRUE)
expect_equal(colnames(fortified), c('1', '2', '3', '4'))
expect_equal(nrow(fortified), 21)
library(MASS)
expect_equal(infer(isoMDS(eurodist)), 'mds-like')
fortified <- fortify(cmdscale(eurodist, k = 3, add = TRUE))
expect_equal(is.data.frame(fortified), TRUE)
expect_equal(colnames(fortified), c('1', '2', '3'))
expect_equal(nrow(fortified), 21)
expect_equal(infer(sammon(eurodist)), 'mds-like')
fortified <- fortify(cmdscale(eurodist, k = 3, add = TRUE))
expect_equal(is.data.frame(fortified), TRUE)
expect_equal(colnames(fortified), c('1', '2', '3'))
expect_equal(nrow(fortified), 21)
})
test_that('infer, fortify and autoplot works for KFAS::signal', {
skip_on_cran()
skip_on_travis()
skip_if_not_installed("KFAS")
nile_fortified <- fortify(Nile)
library(KFAS)
model <- SSModel(
Nile ~ SSMtrend(degree=1, Q=matrix(NA)), H=matrix(NA)
)
fit <- fitSSM(model=model, inits=c(log(var(Nile)), log(var(Nile))), method="BFGS")
smoothed <- KFS(fit$model)
fortified <- fortify(smoothed)
expect_equal(colnames(fortified), c('Index', 'Data', 'Fitted', 'Residuals'))
expect_equal(fortified$Index, nile_fortified$Index)
filtered <- KFS(fit$model, filtering="mean", smoothing='none')
fortified <- fortify(filtered)
expect_equal(colnames(fortified), c('Index', 'Data', 'Fitted', 'Residuals'))
expect_equal(fortified$Index, nile_fortified$Index)
trend <- signal(smoothed, states="trend")
expect_equal(infer(trend), 'KFASSignal')
fortified <- fortify(trend)
expect_equal(colnames(fortified), c('Index', 'Data'))
expect_equal(fortified$Index, nile_fortified$Index)
p <- autoplot(filtered)
expect_true(inherits(p, 'ggplot'))
p <- autoplot(smoothed)
expect_true(inherits(p, 'ggplot'))
p <- autoplot(trend)
expect_true(inherits(p, 'ggplot'))
})
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