public void Test_NaN()
{
Probability p = new Probability();
p.Add("one", 1.0);
p.Add("two", 2.0);
p.Add("three", double.NaN);
Assert.AreEqual(2, p.Prob.Count);
}
public void Test_Serializing()
{
Probability p = new Probability();
p.Add("one", 1.0);
p.Add("two", 2.0);
p.Add("three", 3.0);
Assert.AreEqual(3, p.Prob.Count);
string str = p.ToString();
p = new Probability(str);
Assert.AreEqual(3, p.Prob.Count);
Assert.IsTrue(p.Prob.ContainsKey("one"));
Assert.IsTrue(p.Prob.ContainsKey("two"));
Assert.IsTrue(p.Prob.ContainsKey("three"));
Assert.IsTrue(p.Prob.ContainsValue(1.0));
Assert.IsTrue(p.Prob.ContainsValue(2.0));
Assert.IsTrue(p.Prob.ContainsValue(3.0));
}
/// <summary>
/// returns a list of the next likely events
/// </summary>
/// <param name="Description">description of each event</param>
/// <param name="Probability">probability of each event</param>
/// <param name="TimeToEventSec">number of seconds before each event is likely to occur</param>
public void PredictNextEvents(
ref List <string> Description,
ref List <float> Probability,
ref List <float> TimeToEventSec)
{
if (Description == null)
{
Description = new List <string>();
}
if (Probability == null)
{
Probability = new List <float>();
}
if (TimeToEventSec == null)
{
TimeToEventSec = new List <float>();
}
Description.Clear();
Probability.Clear();
TimeToEventSec.Clear();
if (prev_node != null)
{
ulong total_hits = 0;
for (int i = 0; i < prev_node.Links.Count; i++)
{
UsageLink lnk = (UsageLink)prev_node.Links[i];
UsageNode n = (UsageNode)lnk.From;
total_hits += n.Hits;
}
for (int i = 0; i < prev_node.Links.Count; i++)
{
UsageLink lnk = (UsageLink)prev_node.Links[i];
UsageNode n = (UsageNode)lnk.From;
Description.Add(n.Name);
Probability.Add((float)((double)n.Hits / (double)total_hits));
double av_duration_mS = lnk.GetAverageDuration();
TimeSpan diff = DateTime.Now.Subtract(prev_node_time);
float diff_sec = (float)(diff.TotalMilliseconds - av_duration_mS) / 1000.0f;
if (diff_sec < 0)
{
diff_sec = 0;
}
TimeToEventSec.Add(diff_sec);
}
}
}
