// want to keep 0-9, a-z, A-Z, '.', '?', '!', ';', '''
// [^a-zA-Z0-9\.\?\!;' ]
/// <summary>
/// Trains model off static corpus
/// </summary>
/// <param name="fileName"></param>
public void TrainModel(string fileName)
{
Queue <string> chain = new Queue <string>();
//string[] lines = System.IO.File.ReadAllLines("../../" + fileName);
string[] phrases = RegexLogic.GetPhrasesFromFile(fileName);
for (int i = 0; i < phrases.Count(); i++)
{
string phrase = phrases[i];
string word = phrase.ToLower();
if (!exceptionList.Contains(word))
{
word = Regex.Replace(word, "[\\.\\?\\!;~]", "").ToLower();
}
if (word == "")
{
break;
}
//if (word.Contains('\'') && !(phrase.Substring(0, 1) == phrase.Substring(0, 1).ToUpper() && phrase.Substring(phrase.Length - 2, 2) == "'s"))
// Debugger.Log(String.Format("{0}: {1} ({2})",Regex.Split(fileName, "\\\\").Last(), word, i+1));
//Console.WriteLine(check);
bool terminator = (phrase != word);
ObserveEvent(chain, word);
if (terminator)
{
chain.Dequeue();
chain = ChainPush(chain);
}
}
Console.WriteLine("Trained on file " + fileName);
}
public double TestModelValuation()
{
Debugger.StartTest(model, testFilePath.Split('\\').Last());
string[] phrases = RegexLogic.GetPhrasesFromFile(testFilePath);
double scoreSum = 0;
for (int i = 0; i < phrases.Count(); i++)
{
string phrase = phrases[i];
string word = GetWordFromPhrase(phrase);
if (word == "")
{
fake++;
continue;
}
double modelEvaluation = EvaluateWord(new Queue <string>(evidence.ToArray()), word);
scoreSum += modelEvaluation;
UpdateTestState(word, phrase);
}
double modelScore = scoreSum / (double)events;
Debugger.Log(String.Format("{0}: {1}", testFilePath, modelScore));
Debugger.FinishTest(model, testFilePath.Split('\\').Last());
Console.WriteLine();
return(modelScore);
}
public Tuple <int, int> TestModelPrediction()
{
Debugger.StartTest(model, testFilePath.Split('\\').Last());
//string[] lines = System.IO.File.ReadAllLines("../../" + fileName);
string[] phrases = RegexLogic.GetPhrasesFromFile(testFilePath);
for (int i = 0; i < phrases.Count(); i++)
{
string phrase = phrases[i];
string word = GetWordFromPhrase(phrase);
if (word == "")
{
fake++;
continue;
}
string prediction = PredictWord(new Queue <string>(evidence.ToArray()), word);
if (prediction == word)
{
correctPredictions++;
Debugger.LogMatch(model, testFilePath.Split('\\').Last(), word);
}
UpdateTestState(word, phrase);
}
Debugger.Log(String.Format("{0}:\n\tevents: {1}\n\tcorrect: {2}\n\tfake: {3}", testFilePath, events, correctPredictions, fake));
Debugger.FinishTest(model, testFilePath.Split('\\').Last());
Console.WriteLine();
return(new Tuple <int, int>(correctPredictions, events));
}
private static void CountFile(string file)
{
Console.WriteLine(file);
List <string> phrases = new List <string>(RegexLogic.GetPhrasesFromFile(file));
phrases.RemoveAll(item => Regex.Replace(item, "[\\.\\?\\!;~]", "") == "");
Debugger.Log(String.Format("{0}: {1} words", file, phrases.Count));
}
