Github user yanboliang commented on a diff in the pull request:
https://github.com/apache/spark/pull/12683#discussion_r61437435
--- Diff: R/pkg/inst/tests/testthat/test_mllib.R ---
@@ -71,7 +71,25 @@ test_that("glm and predict", {
data = iris, family = poisson(link = identity)), iris))
expect_true(all(abs(rVals - vals) < 1e-6), rVals - vals)
- # Test stats::predict is working
+ # Test model save/load
+ modelPath <- tempfile(pattern = "GLM", fileext = ".tmp")
+ ml.save(model, modelPath)
+ expect_error(ml.save(model, modelPath))
+ ml.save(model, modelPath, overwrite = TRUE)
+ m2 <- ml.load(modelPath)
+ s2 <- summary(m2)
+ expect_equal(s$rCoefficients, s2$rCoefficients)
--- End diff --
There is no member variable ```rCoefficients``` in
```summary.GeneralizedLinearRegressionModel```, it should be
```coefficients```. Please refer L89-L98 in test_mllib.R, and the variables in
the following line has the same issues.
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