public ProbabilityIndex(List <Email> emails, SmoothingStyle style)
{
Style = style;
SpamIndex = new Dictionary <string, double>();
HamIndex = new Dictionary <string, double>();
totalSpamWords = emails.Where(email => email.IsSpam).Sum(email => email.Words.Sum(word => word.Value));
totalHamWords = emails.Where(email => !email.IsSpam).Sum(email => email.Words.Sum(word => word.Value));
BuildIndex(SpamIndex, emails.FindAll(doc => doc.IsSpam));
BuildIndex(HamIndex, emails.FindAll(doc => !doc.IsSpam));
SpamClass = CalcClassProbability(emails, true);
HamClass = CalcClassProbability(emails, false);
}
public SpamFilter(List <Email> trainingData, SmoothingStyle style)
{
index = new ProbabilityIndex(trainingData, style);
}