diff options
Diffstat (limited to 'R/pkg/inst')
| -rw-r--r-- | R/pkg/inst/tests/testthat/test_mllib.R | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/R/pkg/inst/tests/testthat/test_mllib.R b/R/pkg/inst/tests/testthat/test_mllib.R index ab390a86d1..bc18224680 100644 --- a/R/pkg/inst/tests/testthat/test_mllib.R +++ b/R/pkg/inst/tests/testthat/test_mllib.R @@ -118,6 +118,28 @@ test_that("spark.glm summary", { expect_equal(stats$df.residual, rStats$df.residual) expect_equal(stats$aic, rStats$aic) + # Test spark.glm works with weighted dataset + a1 <- c(0, 1, 2, 3) + a2 <- c(5, 2, 1, 3) + w <- c(1, 2, 3, 4) + b <- c(1, 0, 1, 0) + data <- as.data.frame(cbind(a1, a2, w, b)) + df <- suppressWarnings(createDataFrame(data)) + + stats <- summary(spark.glm(df, b ~ a1 + a2, family = "binomial", weightCol = "w")) + rStats <- summary(glm(b ~ a1 + a2, family = "binomial", data = data, weights = w)) + + coefs <- unlist(stats$coefficients) + rCoefs <- unlist(rStats$coefficients) + expect_true(all(abs(rCoefs - coefs) < 1e-3)) + expect_true(all(rownames(stats$coefficients) == c("(Intercept)", "a1", "a2"))) + expect_equal(stats$dispersion, rStats$dispersion) + expect_equal(stats$null.deviance, rStats$null.deviance) + expect_equal(stats$deviance, rStats$deviance) + expect_equal(stats$df.null, rStats$df.null) + expect_equal(stats$df.residual, rStats$df.residual) + expect_equal(stats$aic, rStats$aic) + # Test summary works on base GLM models baseModel <- stats::glm(Sepal.Width ~ Sepal.Length + Species, data = iris) baseSummary <- summary(baseModel) |