private void eval(Event @event, bool real)
{
string outcome = @event.Outcome; // Is ignored
string[] context = @event.Context;
double[] ocs;
if (!real)
{
ocs = _model.eval(context);
}
else
{
float[] values = RealValueFileEventStream.parseContexts(context);
ocs = _model.eval(context, values);
}
int numOutcomes = ocs.Length;
DoubleStringPair[] result = new DoubleStringPair[numOutcomes];
for (int i = 0; i < numOutcomes; i++)
{
result[i] = new DoubleStringPair(ocs[i], _model.getOutcome(i));
}
Array.Sort(result);
// Print the most likely outcome first, down to the least likely.
for (int i = numOutcomes - 1; i >= 0; i--)
{
Console.Write(result[i].stringValue + " " + result[i].doubleValue + " ");
}
Console.WriteLine();
}
public static void eval(MaxentModel model, Reader r, Evalable e, bool verbose)
{
float totPos = 0, truePos = 0, falsePos = 0;
Event[] events = (e.getEventCollector(r)).getEvents(true);
//MaxentModel model = e.getModel(dir, name);
string negOutcome = e.NegativeOutcome;
foreach (Event @event in events)
{
string guess = model.getBestOutcome(model.eval(@event.Context));
string ans = @event.Outcome;
if (verbose)
{
Console.WriteLine(ans + " " + guess);
}
if (!ans.Equals(negOutcome))
{
totPos++;
}
if (!guess.Equals(negOutcome) && !guess.Equals(ans))
{
falsePos++;
}
else if (ans.Equals(guess))
{
truePos++;
}
}
Console.WriteLine("Precision: " + truePos / (truePos + falsePos));
Console.WriteLine("Recall: " + truePos / totPos);
}