Vectors.dense()

    import org.apache.spark.mllib.linalg.Vectors    import org.apache.spark.mllib.stat.Statistics    val rdd = sc.makeRDD(Array(Array(1.0,10.1,2.5),Array(2.0,5.2,3.8)))    val rdd2 = sc.makeRDD(Array(1.2,2.3,3.4))    val data = rdd.map(f=>Vectors.dense(f))    println("data: \n" +data)    val stat = Statistics.colStats(data)    println("stat: \n"+stat)     println("min:" +stat.min)//min,max等等都是向量，2个Array时，min:[1.0,5.2,2.5]    println("max:" +stat.max)//max:[2.0,10.1,3.8]