context("Mahalanobis distances")
test_that("", {
data(nuclearplants)
m1 <- match_on(pr ~ cap, data = nuclearplants)
m2 <- match_on(pr ~ date + cum.n, data = nuclearplants)
m3 <- match_on(pr ~ date + cum.n, data = nuclearplants, within = exactMatch(pr ~ pt, data = nuclearplants))
expect_true("DenseMatrix" %in% class(m1))
expect_true("DenseMatrix" %in% class(m2))
expect_true("BlockedInfinitySparseMatrix" %in% class(m3))
if ( (requireNamespace("splines", quietly = TRUE)) ) {
m4 <- match_on(pr ~ splines::ns(date,df=3) + cum.n, data = nuclearplants)
m5 <- match_on(pr ~ splines::ns(date,df=3) + cum.n, data = nuclearplants,
exactMatch(pr ~ pt, data = nuclearplants))
expect_true("DenseMatrix" %in% class(m4))
expect_true("BlockedInfinitySparseMatrix" %in% class(m5))
}
cum.n.q <- cut(nuclearplants$cum.n, quantile(nuclearplants$cum.n), include.lowest=TRUE)
m6 <- match_on(pr ~ date + cum.n.q, data = nuclearplants)
m7 <- match_on(pr ~ date + cum.n.q, data = nuclearplants, within = exactMatch(pr~pt, data = nuclearplants))
expect_true("DenseMatrix" %in% class(m6))
expect_true("BlockedInfinitySparseMatrix" %in% class(m7))
### should give error, incorrect mode
expect_error(match_on(as.factor(pr) ~ cap, data = nuclearplants))
})
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.