enable linear regression in the example binary

src/main/java/Sample.java

@@ -3,7 +3,7 @@ import java.util.List;
 
 public class Sample {
     private int uidR;
-    private long time;  // so far, this is the only sample variable to be set to a value, the others get set to 0
+    private long time;
     private long mem;
     private long lockHoldingTime;
     private long waitingTime;
@@ -26,7 +26,7 @@ public class Sample {
         numOfBranches = 0;
         numOfChildren = 0;
         features = new LinkedList<>();
-        long value = 10; // random value
+        long value = time / 2;
         features.add(new FreudFeature(value));
     }