示例#1
0
        /// <summary>A helper function for dumping the accuracy of the trained classifier.</summary>
        /// <param name="classifier">The classifier to evaluate.</param>
        /// <param name="dataset">The dataset to evaluate the classifier on.</param>
        public static void DumpAccuracy(IClassifier <ClauseSplitter.ClauseClassifierLabel, string> classifier, GeneralDataset <ClauseSplitter.ClauseClassifierLabel, string> dataset)
        {
            DecimalFormat df = new DecimalFormat("0.00%");

            Redwood.Log("size:         " + dataset.Size());
            Redwood.Log("split count:  " + StreamSupport.Stream(dataset.Spliterator(), false).Filter(null).Collect(Collectors.ToList()).Count);
            Redwood.Log("interm count: " + StreamSupport.Stream(dataset.Spliterator(), false).Filter(null).Collect(Collectors.ToList()).Count);
            Pair <double, double> pr = classifier.EvaluatePrecisionAndRecall(dataset, ClauseSplitter.ClauseClassifierLabel.ClauseSplit);

            Redwood.Log("p  (split):   " + df.Format(pr.first));
            Redwood.Log("r  (split):   " + df.Format(pr.second));
            Redwood.Log("f1 (split):   " + df.Format(2 * pr.first * pr.second / (pr.first + pr.second)));
            pr = classifier.EvaluatePrecisionAndRecall(dataset, ClauseSplitter.ClauseClassifierLabel.ClauseInterm);
            Redwood.Log("p  (interm):  " + df.Format(pr.first));
            Redwood.Log("r  (interm):  " + df.Format(pr.second));
            Redwood.Log("f1 (interm):  " + df.Format(2 * pr.first * pr.second / (pr.first + pr.second)));
        }