public static Session Create(User user, string[] tokens)
{
if (!tokens[2].Equals("M"))
throw new ArgumentException("unexpected type");
Session session = new Session();
session.SessionID = UInt64.Parse(tokens[0]);
session.Day = Byte.Parse(tokens[1]);
session.User = user;
switch (tokens[4])
{
case "B":
session.Switch = SwitchType.Bar;
break;
case "P":
session.Switch = SwitchType.Search;
break;
case "H":
session.Switch = SwitchType.Hybrid;
break;
case "N":
session.Switch = SwitchType.No;
break;
default:
Debug.Fail("unexpected switch type: " + tokens[4]);
break;
}
session.Actions = new List<IUserAction>();
return session;
}
private static double[] CreateOutput(Session session)
{
double[] output = new double[classesCount];
output[0] = session.Switch == Session.SwitchType.No ? 1 : 0;
output[1] = session.Switch != Session.SwitchType.No ? 1 : 0;
return output;
}
private static double[] CreateInput(Session session)
{
double[] input = new double[inputSize];
input[0] = session.FirstClickTime;
input[1] = session.TotalTimes;
input[2] = session.MinTimeBetweenQueries;
input[3] = session.MaxTimeBetweenQueries;
input[4] = session.AvgMinTimeBetweenClicksInSERP;
input[5] = session.AvgMaxTimeBetweenClicksInSERP;
input[6] = session.TotalClicks;
input[7] = session.TotalQueries;
input[8] = session.FirstClickPageDuration;
input[9] = session.FirstClickResultIndex;
input[10] = session.User.SwitchFreq;
input[11] = session.User.AvgTimeBeforeFirstSwitch;
input[12] = session.User.AvgQueriesBeforeFirstSwitch;
input[13] = session.User.AvgClicksBeforeFirstSwitch;
input[14] = session.AvgTimeBetweenClicksInSERP;
input[15] = session.AvgClicksPerQuery;
input[16] = session.AvgFirstClickResultIndexPerQuery;
input[17] = session.AvgFirstClickTimePerQuery;
return input;
}
public bool DetectSwitch(Session session)
{
double[] output = Run(session);
if (output[0] > output[1])
return false;
return true;
}
private double[] Run(Session session)
{
double[] input = CreateInput(session);
input = ScaleInput(input);
return _network.Compute(input);
}