/// <summary>
/// Transfer a number of instances from the unlabelled to the labelled set for the given resident.
/// </summary>
/// <param name="resident">The index of the resident.</param>
/// <param name="num">The number to transfer.</param>
public void Transfer(int resident, int num)
{
if (num == 0)
{
return;
}
var rng = new Random();
for (int tt = 0; tt < 2; ++tt)
{
for (int nn = 0; nn < num; ++nn)
{
var uinds = Unlabelled.OrderBy(x => rng.Next());
foreach (var ind in uinds)
{
if (dataSet.Labels[0][ind] == (tt == 0 ? false : true))
{
Unlabelled.Remove(ind);
Labelled.Add(ind);
break;
}
}
}
}
}
public override void GetArgMaxVOI(MicrosoftResearch.Infer.Distributions.Bernoulli[] activityPosteriors, Marginals priors, out int argMax, out double maxVal)
{
CalculateProbabilities(priors);
var evidences = new Dictionary <int, double>();
var sortedUnlabelled = Unlabelled
.OrderBy(_ => rng.NextDouble())
.OrderBy(uu => Math.Abs(hypothesisActivityPosteriors[uu].GetMean() - 0.5))
.Take(10)
;
foreach (var index in sortedUnlabelled)
{
var evidence = ExpectedEvidence(index, priors);
evidences.Add(index, evidence);
}
var ordered = evidences.OrderBy(ee => ee.Value);
argMax = ordered.First().Key;
maxVal = ordered.First().Value;
}