static void Test(HiddenMarkovModel hmm, ParseTarget target)
{
string filePath = GetFilePath(".csv", "Please enter path to test data file:");
Tuple <int[][], int[][]> xAndY = GetTransformedData(filePath, target);
Console.WriteLine("Testing model...");
ModelTester tester = new ModelTester(hmm);
HMMTestResult results = tester.Test(xAndY);
Console.WriteLine("Results:");
Console.WriteLine($" Total Accuracy: {results.TotalAccuracy:0.###}");
Console.WriteLine($" Average Accuracy: {results.AverageAccuracy:0.###}");
}
public HMMTestResult Test(Tuple <int[][], int[][]> xAndY)
{
int[][] predicted = HMM.Decide(xAndY.Item1);
HMMTestResult result = predicted
.Zip(xAndY.Item2, (pred, actual) => new HMMTestResult
{
TotalAccuracy = pred.SequenceEqual(actual) ? 1 : 0,
AverageAccuracy = pred.Zip(actual, (p, a) => p == a ? 1 : 0).Sum() / (float)pred.Count()
}).Aggregate((curr, accum) =>
{
accum.TotalAccuracy += curr.TotalAccuracy;
accum.AverageAccuracy += curr.AverageAccuracy;
return(accum);
});
result.TotalAccuracy /= predicted.Count();
result.AverageAccuracy /= predicted.Count();
return(result);
}
