RLibs: RLibs

#   MIT License
#
#   Copyright(c) 2017-2018 Ilia Kosenkov [ilia.kosenkov.at.gm@gmail.com]
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context("Lomb-Scaragle analysis tests")

test_that("`LSAPeriodogramEx` works as `LSAPeriodogram`", {

    t <- runif(200) %>% sort
    x <- rnorm(200)

    w <- seq(0, 5 * 2 * pi, by = 0.1)

    p1 <- lsa_periodogram(w, t, x - mean(x))

    p2 <- lsa_periodogram_ex(tibble(T = t, X = x), T, X, w)
    expect_equal(p1, p2$PSD, tolerance = 1e-16)

})