public void Init(TextSource referenceSource, int n)
{
if (_initPassed) return;
_initPassed = true;
if (n < 1)
{
_b = 0;
return;
}
_referenceSource = referenceSource;
int n1 = 0;
int n2 = 0;
IEnumerable<NGramCache> nGrams = referenceSource.GetNGramCache().NextSegment.Values;
while (n > 1)
{
n--;
nGrams = nGrams.SelectMany(el => el.NextSegment.Values);
}
foreach (var item in nGrams)
{
var frequency = Convert.ToInt32(item.Value);
if (frequency == 1) n1++;
if (frequency == 2) n2++;
}
_b = (double)n1 / ((double)n1 + 2 * (double)n2);
}
public void Init(TextSource referenceSource, int n)
{
if (_initPassed) return;
_initPassed = true;
if (n < 1)
{
_factor = 1;
return;
}
int n1 = 0;
IEnumerable<NGramCache> nGrams = referenceSource.GetNGramCache().NextSegment.Values;
while (n > 1)
{
n--;
nGrams = nGrams.SelectMany(el => el.NextSegment.Values);
}
foreach (var item in nGrams)
{
var frequency = Convert.ToInt32(item.Value);
if (frequency == 1) n1++;
}
_factor = 1.0 - ((double)n1 / (double)referenceSource.GetAllSegments().Count());
}