Spark MLlib 保序回归

"C:\Program Files\Java\jdk1.8.0_181\bin\java" "-javaagent:D:\Software\IntelliJ IDEA 2017.2.2\lib\idea_rt.jar=64070:D:\Software\IntelliJ IDEA 2017.2.2\bin" -Dfile.encoding=UTF-8 -classpath "C:\Program Files\Java\jdk1.8.0_181\jre\lib\charsets.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\deploy.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\access-bridge-64.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\cldrdata.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\dnsns.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\jaccess.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\jfxrt.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\localedata.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\nashorn.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\sunec.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\sunjce_provider.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\sunmscapi.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\sunpkcs11.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\ext\zipfs.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\javaws.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\jce.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\jfr.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\jfxswt.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\jsse.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\management-agent.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\plugin.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\resources.jar;C:\Program Files\Java\jdk1.8.0_181\jre\lib\rt.jar;E:\Scala_workplace\scala菜鸟教程\production\Spark_Mllibe;C:\Program Files (x86)\scala\lib\scala-actors-migration.jar;C:\Program Files (x86)\scala\lib\scala-actors.jar;C:\Program Files (x86)\scala\lib\scala-library.jar;C:\Program Files (x86)\scala\lib\scala-reflect.jar;C:\Program Files (x86)\scala\lib\scala-swing.jar;D:\spark-1.6.3-bin-2.6.0-cdh5.7.0\lib\spark-assembly-1.6.3-hadoop2.6.0-cdh5.7.0.jar" Isotonic_Regression
Using Spark‘s default log4j profile: org/apache/spark/log4j-defaults.properties
18/12/07 18:04:04 INFO SparkContext: Running Spark version 1.6.3
18/12/07 18:04:04 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
18/12/07 18:04:05 INFO SecurityManager: Changing view acls to: wpguoc
18/12/07 18:04:05 INFO SecurityManager: Changing modify acls to: wpguoc
18/12/07 18:04:05 INFO SecurityManager: SecurityManager: authentication disabled; ui acls disabled; users with view permissions: Set(wpguoc); users with modify permissions: Set(wpguoc)
18/12/07 18:04:05 INFO Utils: Successfully started service ‘sparkDriver‘ on port 64093.
18/12/07 18:04:06 INFO Slf4jLogger: Slf4jLogger started
18/12/07 18:04:06 INFO Remoting: Starting remoting
18/12/07 18:04:06 INFO Remoting: Remoting started; listening on addresses :[akka.tcp://sparkDriverActorSystem@192.168.66.80:64106]
18/12/07 18:04:06 INFO Utils: Successfully started service ‘sparkDriverActorSystem‘ on port 64106.
18/12/07 18:04:06 INFO SparkEnv: Registering MapOutputTracker
18/12/07 18:04:06 INFO SparkEnv: Registering BlockManagerMaster
18/12/07 18:04:06 INFO DiskBlockManager: Created local directory at C:\Users\wpguoc\AppData\Local\Temp\blockmgr-b47ff26b-4ce0-4041-8926-ff0ecdd1a719
18/12/07 18:04:06 INFO MemoryStore: MemoryStore started with capacity 1127.3 MB
18/12/07 18:04:06 INFO SparkEnv: Registering OutputCommitCoordinator
18/12/07 18:04:06 INFO Utils: Successfully started service ‘SparkUI‘ on port 4040.
18/12/07 18:04:06 INFO SparkUI: Started SparkUI at http://192.168.66.80:4040
18/12/07 18:04:06 INFO Executor: Starting executor ID driver on host localhost
18/12/07 18:04:06 INFO Utils: Successfully started service ‘org.apache.spark.network.netty.NettyBlockTransferService‘ on port 64125.
18/12/07 18:04:06 INFO NettyBlockTransferService: Server created on 64125
18/12/07 18:04:06 INFO BlockManagerMaster: Trying to register BlockManager
18/12/07 18:04:06 INFO BlockManagerMasterEndpoint: Registering block manager localhost:64125 with 1127.3 MB RAM, BlockManagerId(driver, localhost, 64125)
18/12/07 18:04:06 INFO BlockManagerMaster: Registered BlockManager
boundaries	predictions
0.5	1.2024656206666666
0.9	1.2024656206666666
prediction	lable
1.2024656206666666	1.850001003
1.2024656206666666	1.708672171
1.2024656206666666	1.415907359
1.2024656206666666	1.393065378
1.2024656206666666	1.221406694
1.2024656206666666	1.186060644