逻辑回归简单的代码（scala实现）_scala逻辑回归案例

package com.sxt.scala.lr

import org.apache.spark.SparkConf
import org.apache.spark.SparkContext
import org.apache.spark.mllib.regression.LabeledPoint
import org.apache.spark.mllib.linalg.Vectors
import org.apache.spark.mllib.regression.LinearRegressionWithSGD
import org.apache.spark.mllib.regression.LinearRegressionModel
import org.apache.spark.sql.SQLContext

object MyLinearRegression {
  def main(args:Array[String]){
    val conf = new SparkConf().setAppName("mylinear").setMaster("local")
    val sc = new SparkContext(conf)
    
    val examples = sc.textFile("lpsa.data").map {
      line =>
        val parts = line.split(",")
        val y = parts(0)
        val xs = parts(1)
        LabeledPoint(parts(0).toDouble,Vectors.dense(parts(1).split(" ").map { _.toDouble}))