```
context("modalValue")
test_that("function modalValue runs as expected", {
x = c(1:10, 10)
m = modalValue(x, type = "unique")
expect_equal(m, 10, "modal value should be unique with no NAs and single most frequent element.")
x = 1:10
m = modalValue(x, type = "unique")
expect_true(is.na(m), "no modal value if unique value wanted, but multiple most frequent exist.")
m = modalValue(x, type = "all")
expect_equal(m, x, "each value is modal value if elements pairwise distinct.")
expect_equal(length(m), length(x))
x = c(1:10, 11, 11, 11, 12, 12, 12)
m = modalValue(x, type = "unique")
expect_true(is.na(m), "should return NA if more than one element is most frequent and unique value wanted.")
m = modalValue(x, type = "all")
expect_equal(length(m), 2, "should return vector of two elements.")
x = c(x, NA, NA, 100, NA)
m = modalValue(x, type = "unique")
expect_true(is.na(m), "modal value should be NA if multiple most frequent elements in vector and NAs in vector.")
m = modalValue(x, type = "all")
expect_equal(length(m), 2, "should return vector of two elements even if NAs exist.")
})
```

Embedding an R snippet on your website

Add the following code to your website.

For more information on customizing the embed code, read Embedding Snippets.