rcaller

Error under bridge between R and Java

狂风中的少年 提交于 2019-12-25 16:44:47
问题 I got the below code from the following website bridge connection between R and Java using Rcaller http://www.mhsatman.com/rcaller.php Running it under NETBEANS IDE on Windows shows the following warning: Note:C:\Users\aman\Documents\NetBeansProjects\JavaApplicationRCaller\src\javaapplicationrcaller\JavaApplicationRCaller.java uses or overrides a deprecated API. Note: Recompile with -Xlint:deprecation for details. But it also shows this and not printing the results i.e. rcaller.exception

RCaller Java Premature end of file aka XML file is empty

廉价感情. 提交于 2019-12-11 13:11:00
问题 I am writing program using RCaller 2.1.1-SNAPSHOT. Problem is when I use code from external library it says Routput file is empty. Here is my code: Random random = new Random(); RCaller caller = new RCaller(); RCode code = new RCode(); caller.setRscriptExecutable("C:/Program Files/R/R-2.14.2/bin/x64/Rscript.exe"); double[] data = new double[100]; for (int i = 0; i < data.length; i++) { data[i] = random.nextGaussian(); } code.addDoubleArray("x", data); code.addRCode("setwd('C:/Radek/')"); code

Calling R from Java - Faster alternative to RCaller

只谈情不闲聊 提交于 2019-12-10 14:52:38
问题 I tried RCaller 2.0 to call R functions from Java and I managed to make it work after a few tries. Integration was pretty easy but RCaller is kinda slow at runtime. I'm afraid that RCaller 2.0 won't be suitable for my application since I have to repeatedly call the same script thousands of times and the latency introduced by this library is unacceptable for my needs. Is there a faster (in terms of run-time execution time) alternative for calling R scripts from Java? 回答1: Is there any way to

Calling R in java-Rcaller

好久不见. 提交于 2019-12-02 02:48:59
问题 I am trying to implement clustering using R in java by employing R caller. I am trying to run sample code for clustering validation and I get that common error faced by most of the users: Premature end of file package test; import rcaller.RCaller; import java.io.File; import java.lang.*; import java.util.*; import java.awt.image.DataBuffer; public class test3 { public static void main(String[] args) { new test3(); } public test3() { try{ RCaller caller = new RCaller(); caller.cleanRCode();

Calling R in java-Rcaller

扶醉桌前 提交于 2019-12-02 02:04:35
I am trying to implement clustering using R in java by employing R caller. I am trying to run sample code for clustering validation and I get that common error faced by most of the users: Premature end of file package test; import rcaller.RCaller; import java.io.File; import java.lang.*; import java.util.*; import java.awt.image.DataBuffer; public class test3 { public static void main(String[] args) { new test3(); } public test3() { try{ RCaller caller = new RCaller(); caller.cleanRCode(); caller.setRscriptExecutable("C:/Program Files/R/R-2.15.1/bin/x64/Rscript"); caller.cleanRCode(); caller