val conf = new SparkConf().setAppName(this.getClass.getSimpleName).setMaster(“local[*]”)
val sc = new SparkContext(conf)
val txt = sc.textFile("G:/myself/spark学习/coding-271-master/coding-271/ch4/beijing.txt")
import org.apache.spark.mllib.{stat , linalg}
val data = txt.flatMap(_.split(",")).map(value => linalg.Vectors.dense(value.toDouble))
println(data)
这段代码的运行结果里面没有数据啊,怎么办?