Implement linear regressor using Weka3

1 files changed, 17 insertions, 2 deletions

diff --git a/Metrics/Metrics-Calculation/ca.mcgill.ecse.dslreasoner.realistic.metrics.calculator/src/ca/mcgill/ecse/dslreasoner/realistic/metrics/calculator/io/CsvFileWriter.xtend b/Metrics/Metrics-Calculation/ca.mcgill.ecse.dslreasoner.realistic.metrics.calculator/src/ca/mcgill/ecse/dslreasoner/realistic/metrics/calculator/io/CsvFileWriter.xtend
index 01e3940b..00b38d90 100644
--- a/Metrics/Metrics-Calculation/ca.mcgill.ecse.dslreasoner.realistic.metrics.calculator/src/ca/mcgill/ecse/dslreasoner/realistic/metrics/calculator/io/CsvFileWriter.xtend
+++ b/Metrics/Metrics-Calculation/ca.mcgill.ecse.dslreasoner.realistic.metrics.calculator/src/ca/mcgill/ecse/dslreasoner/realistic/metrics/calculator/io/CsvFileWriter.xtend
@@ -2,19 +2,34 @@ package ca.mcgill.ecse.dslreasoner.realistic.metrics.calculator.io;
 
 import java.io.File
 import java.io.FileNotFoundException
+import java.io.FileOutputStream
 import java.io.PrintWriter
 import java.util.ArrayList
 import java.util.List
 
 class CsvFileWriter {
+        
         def static void write(ArrayList<ArrayList<String>> datas, String uri) {
                 if(datas.size() <= 0) {
                         return;
                 }
-                
+                val PrintWriter writer = new PrintWriter(new File(uri));
+                output(writer, datas, uri);
+        }
+        
+        def static void append(ArrayList<ArrayList<String>> datas, String uri) {
+                if(datas.size() <= 0) {
+                        return;
+                }
+                val PrintWriter writer = new PrintWriter(new FileOutputStream(new File(uri), true));
+                output(writer, datas, uri);
+        }
+        
+        
+        def private static void output(PrintWriter writer, ArrayList<ArrayList<String>> datas, String uri) {
                 //println("Output csv for " + uri);
                 try  {
-                        val PrintWriter writer = new PrintWriter(new File(uri));
+                        
                         val output = new StringBuilder;
                         for(List<String> datarow : datas){
                                 for(var i = 0; i < datarow.size() - 1; i++){