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-rw-r--r--tests/testthat/test_tests.R3
1 files changed, 2 insertions, 1 deletions
diff --git a/tests/testthat/test_tests.R b/tests/testthat/test_tests.R
index bdc72f08..ddf8e1a0 100644
--- a/tests/testthat/test_tests.R
+++ b/tests/testthat/test_tests.R
@@ -6,7 +6,8 @@ test_that("The lack-of-fit test works and can be reproduced using nls", {
loftest_mkin <- loftest(f_2_mkin)
- # This code is inspired by Ritz and Streibig (2008) Nonlinear Regression using R, p. 64
+ # This code is a slightly modified version of that given in Ritz and Streibig
+ # (2008) Nonlinear Regression using R, p. 64
Q <- as.numeric(- 2 * (logLik(f_2_nls) - logLik(f_2_anova)))
df.Q <- df.residual(f_2_nls) - df.residual(f_2_anova)
p_nls <- 1 - pchisq(Q, df.Q)

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