accord-netGH-765: NaiveBayes 'System.IndexOutOfRangeException' occurr…

…ed in Accord.Statistics.dll when calling from sample application.

Samples/MachineLearning/Naive Bayes/MainForm.cs

@@ -151,7 +151,7 @@ private void btnTestingRun_Click(object sender, EventArgs e)
 
 
             // Get only the input vector values
-            double[][] inputs = table.Get(null, 0, 1).ToJagged();
+            double[][] inputs = table.Get(null, 0, 2).ToJagged();
 
             // Get only the label outputs
             int[] expected = new int[table.GetLength(0)];