Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/13301#discussion_r64652199
--- Diff:
examples/src/main/scala/org/apache/spark/examples/mllib/NaiveBayesExample.scala
---
@@ -31,21 +32,17 @@ object NaiveBayesExample {
val conf = new SparkConf().setAppName("NaiveBayesExample")
val sc = new SparkContext(conf)
// $example on$
- val data = sc.textFile("data/mllib/sample_naive_bayes_data.txt")
- val parsedData = data.map { line =>
- val parts = line.split(',')
- LabeledPoint(parts(0).toDouble, Vectors.dense(parts(1).split('
').map(_.toDouble)))
- }
+ // Load and parse the data file.
+ val data = MLUtils.loadLibSVMFile(sc,
"data/mllib/sample_libsvm_data.txt")
// Split data into training (60%) and test (40%).
- val splits = parsedData.randomSplit(Array(0.6, 0.4), seed = 11L)
- val training = splits(0)
- val test = splits(1)
+ val splits = data.randomSplit(Array(0.6, 0.4))
+ val (trainingData, testData) = (splits(0), splits(1))
--- End diff --
Lets not change the variable names, since they were consistent.
But hey in Scala this can be `val Array(training, test) =
data.randomSplit(...)`
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