diff options
Diffstat (limited to 'R/pkg/inst/tests/testthat/test_mllib.R')
| -rw-r--r-- | R/pkg/inst/tests/testthat/test_mllib.R | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/R/pkg/inst/tests/testthat/test_mllib.R b/R/pkg/inst/tests/testthat/test_mllib.R index e48df038df..5f742d9045 100644 --- a/R/pkg/inst/tests/testthat/test_mllib.R +++ b/R/pkg/inst/tests/testthat/test_mllib.R @@ -64,6 +64,16 @@ test_that("spark.glm and predict", { rVals <- predict(glm(Sepal.Width ~ Sepal.Length + Species, data = iris), iris) expect_true(all(abs(rVals - vals) < 1e-6), rVals - vals) + # binomial family + binomialTraining <- training[training$Species %in% c("versicolor", "virginica"), ] + model <- spark.glm(binomialTraining, Species ~ Sepal_Length + Sepal_Width, + family = binomial(link = "logit")) + prediction <- predict(model, binomialTraining) + expect_equal(typeof(take(select(prediction, "prediction"), 1)$prediction), "character") + expected <- c("virginica", "virginica", "virginica", "versicolor", "virginica", + "versicolor", "virginica", "versicolor", "virginica", "versicolor") + expect_equal(as.list(take(select(prediction, "prediction"), 10))[[1]], expected) + # poisson family model <- spark.glm(training, Sepal_Width ~ Sepal_Length + Species, family = poisson(link = identity)) @@ -128,10 +138,10 @@ test_that("spark.glm summary", { 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) + a1 <- c(0, 1, 2, 3, 4) + a2 <- c(5, 2, 1, 3, 2) + w <- c(1, 2, 3, 4, 5) + b <- c(1, 0, 1, 0, 0) data <- as.data.frame(cbind(a1, a2, w, b)) df <- createDataFrame(data) @@ -158,7 +168,7 @@ test_that("spark.glm summary", { data <- as.data.frame(cbind(a1, a2, b)) df <- suppressWarnings(createDataFrame(data)) regStats <- summary(spark.glm(df, b ~ a1 + a2, regParam = 1.0)) - expect_equal(regStats$aic, 13.32836, tolerance = 1e-4) # 13.32836 is from summary() result + expect_equal(regStats$aic, 14.00976, tolerance = 1e-4) # 14.00976 is from summary() result }) test_that("spark.glm save/load", { |