Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/20146#discussion_r160066219
--- Diff: R/pkg/tests/fulltests/test_mllib_regression.R ---
@@ -126,15 +134,15 @@ test_that("spark.glm summary", {
out <- capture.output(print(stats))
expect_match(out[2], "Deviance Residuals:")
- expect_true(any(grepl("AIC: 59.22", out)))
+ expect_true(any(grepl("AIC: 35.84", out)))
--- End diff --
R glm's AIC: 35.839:
```R
> out <- capture.output(print(rStats))
> out
[1] ""
[2] "Call:"
[3] "glm(formula = Sepal.Width ~ Sepal.Length + Species, data = dataset)"
[4] ""
[5] "Deviance Residuals: "
[6] " 1 2 3 4 5 6 7
8 "
[7] " 0.0000 -1.4932 1.5491 0.5411 -0.8581 -1.2228 -0.5969
2.0809 "
[8] ""
[9] "Coefficients:"
[10] " Estimate Std. Error t value Pr(>|t|)"
[11] "(Intercept) 1.7150 2.0492 0.837 0.450"
[12] "Sepal.Length 0.1925 0.5566 0.346 0.747"
[13] "Speciesversicolor 1.7894 1.9240 0.930 0.405"
[14] "Speciesvirginica 1.2613 2.0735 0.608 0.576"
[15] ""
[16] "(Dispersion parameter for gaussian family taken to be 2.960032)"
[17] ""
[18] " Null deviance: 14.719 on 7 degrees of freedom"
[19] "Residual deviance: 11.840 on 4 degrees of freedom"
[20] "AIC: 35.839"
[21] ""
[22] "Number of Fisher Scoring iterations: 2"
[23] ""
```
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