Patch 2

assignment1/src/main/java/edu/auburn/extraction/FeatureMap.java

@@ -69,4 +69,14 @@ public String toString() {
 
     return mapStringBuilder.toString();
   }
+
+  public String toStringVector() {
+	StringBuilder mapStringBuilder = new StringBuilder();
+   for (T feature : getFeatures()) {
+      Integer featureCount = featureDistribution.get(feature);
+      double featureFraction = ((double) featureCount) / getTotalFeatureCount();
+      mapStringBuilder.append(String.format("%f ", featureFraction));
+    }    
+    return mapStringBuilder.toString();
+}
 }

assignment1/src/main/java/edu/auburn/extraction/FeatureMapFileWriter.java

@@ -20,6 +20,12 @@ public void write(String url, FeatureMap<Character> featureMap) throws IOExcepti
     getFileWriter().write("\n");
   }
 
+  public void writeVectors(String url, FeatureMap<Character> featureMap) throws IOException {
+    getFileWriter().write("0 0 "); //Dummy Value for TrainingSet's count
+    getFileWriter().write(featureMap.toStringVector());
+    getFileWriter().write("\n");
+  }
+
   public void close() throws IOException {
     getFileWriter().flush();
     getFileWriter().close();