diff options
Diffstat (limited to 'R/pkg/inst/tests/test_mllib.R')
| -rw-r--r-- | R/pkg/inst/tests/test_mllib.R | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/R/pkg/inst/tests/test_mllib.R b/R/pkg/inst/tests/test_mllib.R index 3bef693247..f272de78ad 100644 --- a/R/pkg/inst/tests/test_mllib.R +++ b/R/pkg/inst/tests/test_mllib.R @@ -48,3 +48,14 @@ test_that("dot minus and intercept vs native glm", { rVals <- predict(glm(Sepal.Width ~ . - Species + 0, data = iris), iris) expect_true(all(abs(rVals - vals) < 1e-6), rVals - vals) }) + +test_that("summary coefficients match with native glm", { + training <- createDataFrame(sqlContext, iris) + stats <- summary(glm(Sepal_Width ~ Sepal_Length + Species, data = training)) + coefs <- as.vector(stats$coefficients) + rCoefs <- as.vector(coef(glm(Sepal.Width ~ Sepal.Length + Species, data = iris))) + expect_true(all(abs(rCoefs - coefs) < 1e-6)) + expect_true(all( + as.character(stats$features) == + c("(Intercept)", "Sepal_Length", "Species__versicolor", "Species__virginica"))) +}) |