public void ScoreData(List<Review> TestData)
        {
            int truePositive = 0, falseNegative = 0, falsePositive = 0, trueNegative = 0;
            int whatever = 0;
            foreach (Review r in TestData)
            {
                decimal scorePositive = this.score(r.Tokens, Classification.Positive);
                decimal scoreNegative = this.score(r.Tokens, Classification.Negative);

                if (r.Score > 3.0)
                {
                    if (scorePositive >= scoreNegative)
                        truePositive++;
                    else if (scorePositive < scoreNegative)
                    {
                        falseNegative++;
                    }
                    else
                        whatever++;
                }
                else
                {
                    if (scorePositive >= scoreNegative)
                        falsePositive++;
                    else if (scorePositive < scoreNegative)
                        trueNegative++;
                    else
                        whatever++;
                }
            }

            Console.WriteLine("TP: " + truePositive);
            Console.WriteLine("FN: " + falseNegative);
            Console.WriteLine("FP: " + falsePositive);
            Console.WriteLine("TN: " + trueNegative);
            var accuracy = ((double)truePositive + trueNegative) / ((double)truePositive + falseNegative + falsePositive + trueNegative);
            Console.WriteLine("Accuracy: " + accuracy);
            Console.WriteLine("Error rate: " + (1.0 - accuracy));
            var positive = (double)truePositive / ((double)falseNegative + truePositive);
            Console.WriteLine("Positive: " + positive);
            var negative = (double)trueNegative / ((double)falsePositive + trueNegative);
            Console.WriteLine("Negative: " + negative);
        }