// return the best n top matches for person
public Dictionary <string, double> topMatches(Dictionary <string, Dictionary <string, double> > data,
string person, delegateFunc similarity, int n = 5)
{
Dictionary <string, double> scores = new Dictionary <string, double>();
foreach (var item in data)
{
if (item.Key != person)
{
scores[item.Key] = similarity(data, person, item.Key);
}
}
// return sorted descending dictionary of recommendations
return(scores.OrderByDescending(x => x.Value).Take(n).ToDictionary(x => x.Key, x => x.Value));
}
private IEnumerator _ShowForSeconds(float seconds, string text)
{
UpdateText(text);
_textFade.FadeIn();
yield return(new WaitForSeconds(seconds));
_textFade.FadeOut();
if (_callbackMethod != null)
{
_callbackMethod();
_callbackMethod = null;
}
}
// Gets recommendations for a person by using a weighted average of every other user's rankings
public Dictionary <string, double> getRecommendations(Dictionary <string, Dictionary <string, double> > data,
string person, delegateFunc similarity)
{
double sim = 0;
// to store sim * rating for all persons
Dictionary <string, double> totals = new Dictionary <string, double>();
//to store the sum of similarities
Dictionary <string, double> simSum = new Dictionary <string, double>();
// to store the recommended movies
Dictionary <string, double> rankings = new Dictionary <string, double>();
foreach (var pers in data)
{
if (pers.Key == person)
{
continue;
}
sim = similarity(data, person, pers.Key);
if (sim <= 0)
{
continue;
}
foreach (var movie in data[pers.Key])
{
if (!data[person].ContainsKey(movie.Key) || movie.Value == 0)
{
totals[movie.Key] = 0;
totals[movie.Key] += movie.Value * sim;
simSum[movie.Key] = 0;
simSum[movie.Key] += sim;
}
}
}
foreach (var item in totals)
{
double ee = (item.Value / simSum.Where(x => x.Key == item.Key).FirstOrDefault().Value);
rankings[item.Key] = ee;
}
// return sorted descending dictionary of recommendations
return(rankings.OrderByDescending(x => x.Value).ToDictionary(x => x.Key, x => x.Value));
}
public void Message(string msg, delegateFunc okFunc, delegateFunc cancelFunc)
{
CallOkFunc = okFunc;
CallCancelFunc = cancelFunc;
Console.WriteLine("Message: " + msg + " (0: ok, 1: cancel)");
string inputStr = Console.ReadLine();
if (inputStr.Equals("0"))
{
CallOkFunc();
}
else
{
CallCancelFunc();
}
}
public void ShowForSeconds(float seconds, string text, delegateFunc callback = null)
{
_callbackMethod = callback;
StartCoroutine(_ShowForSeconds(seconds, text));
}
public ComposedMission Add(delegateFunc func)
{
funcList.Add(func);
return(this);
}
//constructor
public SingleMission(delegateFunc func, string name)
{
this.func = func;
this.Name = name;
}
