static void fiveB(Dict dict)
{
Folds folds = new Folds("wikipediatypoclean.txt");
// Validate with hill climbing
crossValidation(dict, folds, 30, true);
// Validate without hill climbing
crossValidation(dict, folds, 30, false);
}
static void crossValidation(Dict dict, Folds folds, int numFolds, bool useClimbing)
{
folds.makeN(numFolds);
int foldNum = 0;
foreach (Fold fold in folds.folds)
{
foldNum++;
Console.WriteLine("Running against fold " + foldNum);
validateFold(dict, fold, useClimbing);
}
}
static void fiveA(Dict dict)
{
Folds folds;
Console.WriteLine("Wikipedia typo clean:");
folds = new Folds("wikipediatypoclean.txt");
validateFirstTypos(dict, folds, 30);
Console.WriteLine("Wikipedia typo:");
folds = new Folds("wikipediatypo.txt");
validateFirstTypos(dict, folds, 30);
Console.WriteLine("Synthetic data:");
folds = new Folds("syntheticdata.txt");
validateFirstTypos(dict, folds, 30);
}
static void Main(string[] args)
{
Dict dict = new Dict();
string s = "hello";
var words = from word in dict.Match
where word.Contains("word")
select word;
var wordsCount = Enumerable.Count(words);
foreach (var word in words)
{
Console.WriteLine(word);
}
}
static void fix(String typoPath, String correctPath, Dict dict)
{
List<String> lines = new List<String>();
using (StreamReader sr = new StreamReader(typoPath))
{
String item;
while ((item = sr.ReadLine()) != null)
{
lines.Add(item);
}
}
List<List<String>> filteredLines = new List<List<String>>();
foreach (String line in lines)
{
List<String> filteredWords = new List<String>();
List<String> words = new List<String>(line.Split());
foreach (String word in words)
{
String filteredWord = Regex.Replace(word, @"[\W]", "");
if (!String.IsNullOrEmpty(filteredWord))
{
filteredWords.Add(filteredWord);
}
}
filteredLines.Add(filteredWords);
}
using (StreamWriter sw = new StreamWriter(correctPath))
{
foreach (List<String> filteredLine in filteredLines)
{
foreach (String filteredWord in filteredLine)
{
sw.Write(dict.findClosestWord(filteredWord) + " ");
}
sw.WriteLine();
}
}
}
static void Main(string[] args)
{
if (args.Length != 3)
{
Console.WriteLine("Error: expects three inputs (<file to check>, <dictionary>, <output path>)");
}
// Create our file paths
String typoPath = args[0];
String dictPath = args[1];
String correctPath = args[2];
Dict dict = new Dict(dictPath);
fix(typoPath, correctPath, dict);
// 5.a
// -----------------------------------------
// fiveA(dict);
// 5.b
// -----------------------------------------
// fiveB(dict);
}
static void validateFold(Dict dict, Fold fold, bool useClimbing)
{
long climbTime = 0;
Stopwatch timer;
dict.resetCosts();
if (useClimbing)
{
timer = Stopwatch.StartNew();
dict.hillClimber(fold.trainingSet, false);
climbTime = timer.ElapsedMilliseconds;
}
timer = Stopwatch.StartNew();
double error = dict.measureError(fold.testingSet, false);
long measureTime = timer.ElapsedMilliseconds;
Console.WriteLine(error + " error rate in " + (climbTime + measureTime) + " ms (" + climbTime + " ms for climbing, " + measureTime + " ms for measuring.");
Console.WriteLine("Computed costs: " + dict.getCosts().ToString());
}
static void validateFirstTypos(Dict dict, Folds folds, int numTypos)
{
folds.makeWithSizeN(numTypos);
validateFold(dict, folds.folds[0], true);
}
