sorry...added a subject now On Wed, Apr 23, 2014 at 9:32 AM, Mohit Jaggi <mohitja...@gmail.com> wrote:
> I am trying to run the example linear regression code from > > http://spark.apache.org/docs/latest/mllib-guide.html > > But I am getting the following error...am I missing an import? > > ----code---- > > import org.apache.spark._ > > import org.apache.spark.mllib.regression.LinearRegressionWithSGD > > import org.apache.spark.mllib.regression.LabeledPoint > > > object ModelLR { > > def main(args: Array[String]) { > > val sc = new SparkContext(args(0), "SparkLR", > > System.getenv("SPARK_HOME"), SparkContext.jarOfClass(this.getClass) > .toSeq) > > // Load and parse the data > > val data = sc.textFile("mllib/data/ridge-data/lpsa.data") > > val parsedData = data.map { line => > > val parts = line.split(',') > > LabeledPoint(parts(0).toDouble, parts(1).split(' ').map(x => > x.toDouble).toArray) > > } > > ...<snip>... > > } > > ----error---- > > - polymorphic expression cannot be instantiated to expected type; found : > [U >: Double]Array[U] required: > > org.apache.spark.mllib.linalg.Vector > > - polymorphic expression cannot be instantiated to expected type; found : > [U >: Double]Array[U] required: > > org.apache.spark.mllib.linalg.Vector >
