mirror of https://github.com/msberends/AMR.git
31 lines
719 B
R
31 lines
719 B
R
context("g.test.R")
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test_that("G-test works", {
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# GOODNESS-OF-FIT
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# example 1: clearfield rice vs. red rice
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x <- c(772, 1611, 737)
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x.expected <- ratio(x, ratio = "1:2:1")
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expect_equal(g.test(x, x.expected),
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expected = 0.12574,
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tolerance = 0.00001)
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# example 2: red crossbills
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x <- c(1752, 1895)
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x.expected <- ratio(x, ratio = c(1, 1))
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expect_equal(g.test(x, x.expected),
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expected = 0.01787343,
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tolerance = 0.00000001)
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# INDEPENDENCE
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# this should always yield a p value of around 0
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x <- matrix(data = round(runif(4) * 100000, 0),
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ncol = 2,
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byrow = TRUE)
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expect_lt(g.test(x),
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0.0001)
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})
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