private void WriteHeader(RealModel m)
{
Writer.Write(m.Words);
Writer.Write(' ');
Writer.Write(m.Size);
Writer.Write('\n');
}
public void Write(RealModel m)
{
WriteHeader(m);
foreach (var wv in m.Vectors)
{
WriteWordVector(wv);
}
}
public static IEnumerable <WordDistance> Nearest(this RealModel model, string word)
{
var vector = model.GetByWord(word);
if (vector == null)
{
throw new ArgumentException(string.Format("cannot find word '{0}'", word));
}
return(model.Vectors.Select(x => new WordDistance(x.Word, x.Vector.Distance(vector.Vector))).OrderBy(x => x.Distance).Where(x => x.Word != word));
}
public void Write(RealModel m)
{
//Write the header
WriteHeader(m);
//Write the vectors
foreach (var wv in m.Vectors)
{
WriteWordVector(wv);
}
}
public static double Distance(this RealModel model, string word1, string word2)
{
var vector1 = model.GetByWord(word1);
var vector2 = model.GetByWord(word2);
if (vector1 == null)
{
throw new ArgumentException(string.Format("cannot find word1 '{0}'", word1));
}
if (vector2 == null)
{
throw new ArgumentException(string.Format("cannot find word2 '{0}'", word2));
}
return(vector1.Vector.Distance(vector2.Vector));
}
private void WriteHeader(RealModel m)
{
WriteString(string.Format("{0} {1}\n", m.Words, m.Size));
}
public static WordVector NearestSingle(this RealModel model, float[] vector)
{
return(model.Vectors.OrderBy(x => x.Vector.Distance(vector)).First());
}
public static IEnumerable <WordVector> Nearest(this RealModel model, float[] vector)
{
return(model.Vectors.OrderBy(x => x.Vector.Distance(vector)));
}
public static WordVector GetByWord(this RealModel model, string word)
{
return(model.Vectors.FirstOrDefault(x => x.Word == word));
}