Dan*_*ong 5 java netbeans machine-learning
我正在尝试在Netbeans中运行大量在线分析(MOA)的演示代码。这是代码:
package javaapplication10_moa;
import moa.classifiers.trees.HoeffdingTree;
import moa.classifiers.Classifier;
import moa.core.TimingUtils;
import moa.streams.generators.RandomRBFGenerator;
import com.yahoo.labs.samoa.instances.Instance;
import java.io.IOException;
/**
*
* @author LENOVO
*/
public class JavaApplication10_MOA {
public JavaApplication10_MOA(){
}
public void run(int numInstances, boolean isTesting){
Classifier learner = new HoeffdingTree();
RandomRBFGenerator stream = new RandomRBFGenerator();
stream.prepareForUse();
learner.setModelContext(stream.getHeader());
learner.prepareForUse();
int numberSamplesCorrect = 0;
int numberSamples = 0;
boolean preciseCPUTiming = TimingUtils.enablePreciseTiming();
long evaluateStartTime = TimingUtils.getNanoCPUTimeOfCurrentThread();
while (stream.hasMoreInstances() && numberSamples < numInstances) {
Instance trainInst = stream.nextInstance().getData();
if (isTesting) {
if (learner.correctlyClassifies(trainInst)){
numberSamplesCorrect++;
}
}
numberSamples++;
learner.trainOnInstance(trainInst);
}
double accuracy = 100.0 * (double) numberSamplesCorrect/ (double) numberSamples;
double time = TimingUtils.nanoTimeToSeconds(TimingUtils.getNanoCPUTimeOfCurrentThread()- evaluateStartTime);
System.out.println(numberSamples + " instances processed with " + accuracy + "% accuracy in "+time+" seconds.");
}
public static void main(String[] args) throws IOException {
JavaApplication10_MOA exp = new JavaApplication10_MOA();
exp.run(1000000, true);
}
}
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这是输出:
无法访问检测环境。请检查是否在Java的“ -javaagent”命令行参数中指定了包含SizeOfAgent类的jar文件。1000000个实例在5.5秒内以91.0458%的精度进行了处理。建立成功(总时间:5秒)
问题是Netbeans无法访问检测环境,据我了解它类似于配置文件。我已经尝试通过运行->设置项目配置->自定义来尝试Netbeans如何在Java中设置命令行参数的建议。将参数设置为-javaagent:sizeofag.jar。但这行不通!:(请帮助我,非常感谢
Project->Properties->Run->VM
我通常通过这样的选项设置java代理:
-javaagent:"<full path to jar>/target.jar"
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此外,我在 netbens 论坛上发现了旧主题“在 NetBeans 中配置 javaagent”,因此它应该可以工作。
顺便说一句,我下载了 moa-release-2016.04.zip,解压,在 Netbeans 中创建了简单的 java 项目,在库部分添加了路径<path>/moa-release-2016.04/lib/moa-2016.04.jar
,然后运行代码,没有任何错误或警告。我什至没有在Run
章节中提到javaagent。这是我的输出窗口:
run:
1000000 instances processed with 91.0458% accuracy in 5.480392592 seconds.
BUILD SUCCESSFUL (total time: 5 seconds)
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