Github user felixcheung commented on a diff in the pull request:
https://github.com/apache/spark/pull/17032#discussion_r102807098
--- Diff: examples/src/main/r/ml/glm.R ---
@@ -25,11 +25,12 @@ library(SparkR)
sparkR.session(appName = "SparkR-ML-glm-example")
# $example on$
-irisDF <- suppressWarnings(createDataFrame(iris))
+t <- as.data.frame(Titanic)
+training <- createDataFrame(t)
# Fit a generalized linear model of family "gaussian" with spark.glm
-gaussianDF <- irisDF
-gaussianTestDF <- irisDF
-gaussianGLM <- spark.glm(gaussianDF, Sepal_Length ~ Sepal_Width + Species,
family = "gaussian")
+gaussianDF <- training
+gaussianTestDF <- training
--- End diff --
we could but as I've mentioned, Titanic is really small - it might not work
properly if we are split that further, so it might be something we need to
change again to add the split
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