Nothing
test_that("to [0, 1] for qualitative values", {
z <- prune_method()
z_0 <- encode_unit(z, prune_method()$values, direction = "forward")
expect_equal(z_0, (0:5) / 5)
z_back <- encode_unit(z, rev(z_0), direction = "backward")
expect_equal(z_back, rev(prune_method()$values))
})
test_that("to [0, 1] for quantitative values", {
x <- mtry(c(2L, 7L))
y <- mtry_long(c(1L, 3L))
x_0 <- encode_unit(x, 2:7, direction = "forward")
expect_equal(x_0, seq(0, 1, length = 6))
x_back <- encode_unit(x, c(0.000001, 1 / 3, .99999, 1), direction = "backward")
expect_equal(x_back, c(2L, 4L, 7L, 7L))
y_0 <- encode_unit(y, log10(214), direction = "forward")
expect_equal(y_0, 0.66, tolerance = 0.01)
y_orig <- encode_unit(y, y_0, direction = "backward", original = TRUE)
y_trans <- encode_unit(y, y_0, direction = "backward", original = FALSE)
expect_equal(y_orig, 214, tolerance = 0.01)
expect_equal(y_trans, log10(214), tolerance = 0.01)
})
test_that("missing data", {
x <- mtry(c(2L, 7L))
z <- prune_method()
x_0 <- encode_unit(x, c(2L, NA_integer_), direction = "forward")
expect_equal(x_0, c(0, NA_real_))
z_0 <- encode_unit(z, c("backward", NA_character_), direction = "forward")
expect_equal(z_0, c(0, NA_real_))
})
test_that("bad args", {
x <- mtry(c(2L, 7L))
z <- prune_method()
z_0 <- encode_unit(z, prune_method()$values, direction = "forward")
x_0 <- encode_unit(x, 2:7, direction = "forward")
expect_snapshot(
error = TRUE,
encode_unit(2, prune_method()$values, direction = "forward")
)
expect_snapshot(
error = TRUE,
encode_unit(z, prune_method()$values, direction = "forwards")
)
expect_snapshot(
error = TRUE,
encode_unit(x, prune_method()$values, direction = "forward")
)
expect_snapshot(
error = TRUE,
encode_unit(z, 1, direction = "forward")
)
expect_snapshot(
error = TRUE,
encode_unit(x, matrix(letters[1:4], ncol = 2), direction = "forward")
)
expect_snapshot(
error = TRUE,
encode_unit(x, matrix(1:4, ncol = 2), direction = "forward")
)
expect_snapshot(
error = TRUE,
encode_unit(z, matrix(1:4, ncol = 2), direction = "forward")
)
expect_snapshot(
error = TRUE,
encode_unit(z, matrix(letters[1:4], ncol = 2), direction = "forward")
)
expect_snapshot(
error = TRUE,
encode_unit(x, prune_method()$values, direction = "backward")
)
expect_snapshot(
error = TRUE,
encode_unit(z, prune_method()$values, direction = "backward")
)
expect_snapshot(
error = TRUE,
encode_unit(x, 1:2, direction = "backward")
)
expect_snapshot(
error = TRUE,
encode_unit(z, 1:2, direction = "backward")
)
})
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