Nothing
fullmodel <- lm(y ~ x1 + x2 + x3 + x4, data = cement)
test_that("aic output matches expected result", {
expect_equal(ols_aic(fullmodel, method = "R"), AIC(fullmodel))
expect_equal(ols_aic(fullmodel, method = "STATA"), 63.83669)
expect_equal(round(ols_aic(fullmodel, method = "SAS"), 3), 26.944)
expect_equal(round(ols_aic(fullmodel, method = "SAS", TRUE), 3), 55.944)
model <- lm(y ~ x1 + x2 + x4, data = cement)
expect_equal(ols_aic(model, method = "R"), AIC(model))
expect_equal(round(ols_aic(model, method = "STATA"), 4), 61.8663)
model <- lm(y ~ x2 + x4, data = cement)
expect_equal(ols_aic(model, method = "R"), AIC(model))
expect_equal(round(ols_aic(model, method = "STATA"), 4), 97.5217)
})
test_that("sbc output matches expected result", {
expect_equal(ols_sbc(fullmodel, method = "R"), BIC(fullmodel))
expect_equal(round(ols_sbc(fullmodel, method = "STATA"), 4), 66.6614)
expect_equal(round(ols_sbc(fullmodel, method = "SAS"), 4), 29.769)
model <- lm(y ~ x1 + x2 + x4, data = cement)
expect_equal(ols_sbc(model, method = "R"), BIC(model))
expect_equal(round(ols_sbc(model, method = "STATA"), 4), 64.1261)
model <- lm(y ~ x2 + x4, data = cement)
expect_equal(ols_sbc(model, method = "R"), BIC(model))
expect_equal(round(ols_sbc(model, method = "STATA"), 4), 99.2166)
})
test_that("apc output matches expected result", {
expect_equal(round(ols_apc(fullmodel), 3), 0.04)
model <- lm(y ~ x1, data = cement)
expect_equal(round(ols_apc(model), 3), 0.636)
model <- lm(y ~ x4, data = cement)
expect_equal(round(ols_apc(model), 3), 0.444)
model <- lm(y ~ x1 + x2 + x4, data = cement)
expect_equal(round(ols_apc(model), 3), 0.033)
model <- lm(y ~ x1 + x3 + x4, data = cement)
expect_equal(round(ols_apc(model), 3), 0.035)
model <- lm(y ~ x2 + x4, data = cement)
expect_equal(round(ols_apc(model), 3), 0.512)
})
test_that("mallow's cp output matches expected result", {
model <- lm(y ~ x1, data = cement)
act <- round(ols_mallows_cp(model, fullmodel), 2)
exp <- 202.55
expect_equal(act, exp)
model <- lm(y ~ x4, data = cement)
act <- round(ols_mallows_cp(model, fullmodel), 2)
exp <- 138.73
expect_equal(act, exp)
model <- lm(y ~ x1 + x2, data = cement)
act <- round(ols_mallows_cp(model, fullmodel), 2)
exp <- 2.68
expect_equal(act, exp)
model <- lm(y ~ x2 + x4, data = cement)
act <- round(ols_mallows_cp(model, fullmodel), 2)
exp <- 138.23
expect_equal(act, exp)
model <- lm(y ~ x1 + x2 + x4, data = cement)
act <- round(ols_mallows_cp(model, fullmodel), 2)
exp <- 3.02
expect_equal(act, exp)
model <- lm(y ~ x1 + x3 + x4, data = cement)
act <- round(ols_mallows_cp(model, fullmodel), 2)
exp <- 3.50
expect_equal(act, exp)
})
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