public void Add(IDistribution d, double w)
{
if (_completed)
{
throw new Exception("Attempt to add a distribution to a Mixture that is marked completed");
}
if (d.SampleSpace != this.SampleSpace)
{
throw new Exception("Incompatible IDistribution added to Mixture");
}
//if (!_component.ContainsKey(d)) {
// if (!_component.Contains(d)) {
if (!Contains(d))
{
MixtureComponent mc = new MixtureComponent();
mc.Distribution = d;
mc.Weight = w;
mc.MinWeight = 0.0;
mc.MaxWeight = 1.0;
_component.Add(mc);
// the parameters of the component distribution
this.addParams(d.Params);
// the weight of the component distribution in NOT a parameter in an immutable mixture
// this.addParams(AdditionalPerComponentParameters);
}
else
{
throw new Exception("Duplicate IDistribution added to Mixture");
}
}
private void normalize()
{
double total = totalWeight();
// Dictionary<IDistribution, double> component2 = new Dictionary<IDistribution, double>();
// C5.HashDictionary<IDistribution, double> component2 = new C5.HashDictionary<IDistribution, double>();
List <MixtureComponent> component2 = new List <MixtureComponent>();
foreach (MixtureComponent mc in _component)
{
IDistribution d = mc.Distribution;
double w = mc.Weight;
MixtureComponent mc2 = new MixtureComponent();
mc2.Distribution = d;
mc2.Weight = w / total;
component2.Add(mc2);
}
_component = component2;
}