Nothing
test_that("correlation works", {
.act <- ds_correlation(de_county, starts_with('pop_'))
.exp <- c(0.0138454306617205, 0.0138454306617205, 0.0138454306617205)
expect_equal(.act, .exp, tolerance = 1e-6)
})
test_that("correlation .name works", {
.act <- ds_correlation(de_county, starts_with('pop_'), .name = 'special_name')
expect_true('special_name' %in% names(.act))
})
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