org.rosuda.REngine.REXPGenericVector@2d59a372+[9]named输出结果为向量？

  • Z时代
  • 2024-01-10
  • 分类：IT

最近在做一个项目，需要用到java调用Rserve执行R语句，代码如下：

 xp=c.eval("eperson(economic)");
    System.out.println("----eperson(economic).asList()-----");
    Object[] array= xp.asList().toArray();
    for(int i=0;i<=array.length-1;i++){
        System.out.println(array[i]);
    }
    System.out.println(xp.isVector());
    if(xp.isRecursive()){//xp是否为递归对象
         for(int i=0;i<xp.length();i++){
             System.out.println((xp.asList().get(i)));//values() 
             System.out.println("---------");
             System.out.println((xp.asList().values()));
             System.out.println("---------");
             System.out.println(xp.asList().toString());
         }
    }

代码输出结果如下：

----eperson(economic).asList()-----
org.rosuda.REngine.REXPString@3b96dc4e[1]
org.rosuda.REngine.REXPGenericVector@2d59a372+[9]named
org.rosuda.REngine.REXPString@57f9a8a0[1]
org.rosuda.REngine.REXPGenericVector@47adcd7f+[3]named
true
org.rosuda.REngine.REXPString@3b96dc4e[1]
---------
RList[org.rosuda.REngine.REXPString@3b96dc4e[1], org.rosuda.REngine.REXPGenericVector@2d59a372+[9]named, org.rosuda.REngine.REXPString@57f9a8a0[1], org.rosuda.REngine.REXPGenericVector@47adcd7f+[3]named]{4}
---------
RList[org.rosuda.REngine.REXPString@3b96dc4e[1], org.rosuda.REngine.REXPGenericVector@2d59a372+[9]named, org.rosuda.REngine.REXPString@57f9a8a0[1], org.rosuda.REngine.REXPGenericVector@47adcd7f+[3]named]{4}
org.rosuda.REngine.REXPGenericVector@2d59a372+[9]named
---------
RList[org.rosuda.REngine.REXPString@3b96dc4e[1], org.rosuda.REngine.REXPGenericVector@2d59a372+[9]named, org.rosuda.REngine.REXPString@57f9a8a0[1], org.rosuda.REngine.REXPGenericVector@47adcd7f+[3]named]{4}
---------
RList[org.rosuda.REngine.REXPString@3b96dc4e[1], org.rosuda.REngine.REXPGenericVector@2d59a372+[9]named, org.rosuda.REngine.REXPString@57f9a8a0[1], org.rosuda.REngine.REXPGenericVector@47adcd7f+[3]named]{4}
org.rosuda.REngine.REXPString@57f9a8a0[1]
---------
RList[org.rosuda.REngine.REXPString@3b96dc4e[1], org.rosuda.REngine.REXPGenericVector@2d59a372+[9]named, org.rosuda.REngine.REXPString@57f9a8a0[1], org.rosuda.REngine.REXPGenericVector@47adcd7f+[3]named]{4}
---------
RList[org.rosuda.REngine.REXPString@3b96dc4e[1], org.rosuda.REngine.REXPGenericVector@2d59a372+[9]named, org.rosuda.REngine.REXPString@57f9a8a0[1], org.rosuda.REngine.REXPGenericVector@47adcd7f+[3]named]{4}
org.rosuda.REngine.REXPGenericVector@47adcd7f+[3]named
---------
RList[org.rosuda.REngine.REXPString@3b96dc4e[1], org.rosuda.REngine.REXPGenericVector@2d59a372+[9]named, org.rosuda.REngine.REXPString@57f9a8a0[1], org.rosuda.REngine.REXPGenericVector@47adcd7f+[3]named]{4}
---------
RList[org.rosuda.REngine.REXPString@3b96dc4e[1], org.rosuda.REngine.REXPGenericVector@2d59a372+[9]named, org.rosuda.REngine.REXPString@57f9a8a0[1], org.rosuda.REngine.REXPGenericVector@47adcd7f+[3]named]{4}

结果并不是我想要的，我希望返回的结果是，能够打印出结果的具体值，即将R语句在R编辑器里运行时后得到结果：
图片描述

该怎么写代码呢？

回答：

把相关代码贴全，谢谢

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