Did you try to treat RDD[(Double, Vector)] as RDD[LabeledPoint]? If
that is the case, you need to cast them explicitly:
rdd.map { case (label, features) => LabeledPoint(label, features) }
-Xiangrui
On Mon, Apr 6, 2015 at 11:59 AM, Joanne Contact <joannenetw...@gmail.com> wrote:
> Hello Sparkers,
>
> I kept getting this error:
>
> java.lang.ClassCastException: scala.Tuple2 cannot be cast to
> org.apache.spark.mllib.regression.LabeledPoint
>
> I have tried the following to convert v._1 to double:
>
> Method 1:
>
> (if(v._1>0) 1d else 0d)
>
> Method 2:
>
> def bool2Double(b:Boolean): Double = {
> if (b) 1.0
> else 0.0
> }
>
> bool2Double(v._1>0)
>
> Method 3:
> implicit def bool2Double(b:Boolean): Double = {
> if (b) 1.0
> else 0.0
> }
>
>
> None of them works.
>
> Any advice would be appreciated.
>
> Thanks!
>
> J
>
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