2011-05-18 76 views
-3
//import org.rosuda.REngine.REXP; 
//import org.rosuda.REngine.Rserve.RConnection; 
public class RConnectionFromJava { 

    public static void main(String args[]) 
    { 
    try{ 

     System.out.println("INFO: Trying to connect to R "); 
     RConnection c = new RConnection(); 
     System.out.println("INFO: Connected to R "); 
     System.out.println("INFO: The Server version is "+ c.getServerVersion()); 

     c.close(); 
    } 
    catch(Exception e) 
    { 
     System.out.println("ERROR: In Connection to R "); 
     System.out.println("The Exception is "+ e.getMessage()); 
     e.printStackTrace(); 
    } 
    } 
} 

这给RConnection一个错误。你能告诉我为什么会出现这个错误吗?我的RConnection产生一个错误

+2

请提供更具描述性的问题标题。 – Nick 2011-05-18 07:09:03

+1

...并发布错误。 – Mat 2011-05-18 07:10:21

+0

对于编辑:请不要删除或更改代码段,即使您认为它们是不必要的。这会使答案很难理解,并可能掩盖真正的问题。 – 2011-05-18 11:22:20

回答

1

删除//之前import org.rosuda.REngine.Rserve.RConnection;