MLClassListPtr FeatureVectorList::ExtractListOfClasses () const
{
MLClassPtr lastClass = NULL;
map<MLClassPtr,MLClassPtr> ptrIndex;
map<MLClassPtr,MLClassPtr>::iterator ptrIndexItr;
FeatureVectorList::const_iterator idx;
for (idx = begin (); idx != end (); ++idx)
{
FeatureVectorPtr example = *idx;
MLClassPtr newClass = example->MLClass ();
if (newClass == lastClass)
continue;
lastClass = newClass;
ptrIndexItr = ptrIndex.find (newClass);
if (ptrIndexItr == ptrIndex.end ())
{
lastClass = newClass;
ptrIndex.insert (pair<MLClassPtr,MLClassPtr> (newClass, newClass));
}
}
MLClassListPtr classes = new MLClassList ();
for (ptrIndexItr = ptrIndex.begin (); ptrIndexItr != ptrIndex.end (); ++ptrIndexItr)
classes->PushOnBack (ptrIndexItr->first);
return classes;
} /* ExtractListOfClasses */
MLClassListPtr Classifier2::PredictionsThatHaveSubClassifier (ClassProbListPtr predictions)
{
MLClassListPtr classes = new MLClassList ();
ClassProbList::iterator idx;
for (idx = predictions->begin (); idx != predictions->end (); ++idx)
{
ClassProbPtr cp = *idx;
Classifier2Ptr subClassifier = LookUpSubClassifietByClass (cp->classLabel);
if (subClassifier)
classes->PushOnBack (cp->classLabel);
}
return classes;
} /* PredictionsThatHaveSubClassifier */
