diff options
Diffstat (limited to 'R/pkg/inst/tests/test_mllib.R')
| -rw-r--r-- | R/pkg/inst/tests/test_mllib.R | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/R/pkg/inst/tests/test_mllib.R b/R/pkg/inst/tests/test_mllib.R index 3331ce7383..032cfef061 100644 --- a/R/pkg/inst/tests/test_mllib.R +++ b/R/pkg/inst/tests/test_mllib.R @@ -67,3 +67,20 @@ test_that("summary coefficients match with native glm", { as.character(stats$features) == c("(Intercept)", "Sepal_Length", "Species_versicolor", "Species_virginica"))) }) + +test_that("summary coefficients match with native glm of family 'binomial'", { + df <- createDataFrame(sqlContext, iris) + training <- filter(df, df$Species != "setosa") + stats <- summary(glm(Species ~ Sepal_Length + Sepal_Width, data = training, + family = "binomial")) + coefs <- as.vector(stats$coefficients) + + rTraining <- iris[iris$Species %in% c("versicolor","virginica"),] + rCoefs <- as.vector(coef(glm(Species ~ Sepal.Length + Sepal.Width, data = rTraining, + family = binomial(link = "logit")))) + + expect_true(all(abs(rCoefs - coefs) < 1e-4)) + expect_true(all( + as.character(stats$features) == + c("(Intercept)", "Sepal_Length", "Sepal_Width"))) +}) |