Github user loachli commented on the pull request:
https://github.com/apache/spark/pull/1290#issuecomment-70764420
@lovmoy I use this code in test to calulate:
val annTest /**RDD[(Vector,Double,Double]*/ = test.map(T => (T.features,
annModel.predict(T.features), T.label) )
val lpTestR = annTest.filter(T => (T._2 == T._3)).count //get the right
count
val lpTestW = testSetSize - lpTestR //get the wrong count
val rightRate = lpTestR.toDouble / testSetSize
val errorRate = 1 - rightRate
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