/**
* Adds the supplied instance to the training set.
*
* @param instance the instance to add
* @throws Exception if instance could not be incorporated successfully
*/
public void updateClassifier(Instance instance) throws Exception {
if (m_Train == null) {
throw new Exception("No training instance structure set!");
} else if (m_Train.equalHeaders(instance.dataset()) == false) {
throw new Exception(
"Incompatible instance types\n" + m_Train.equalHeadersMsg(instance.dataset()));
}
if (!instance.classIsMissing()) {
m_NNSearch.update(instance);
m_Train.add(instance);
}
}
/**
* Adds the supplied instance to the training set.
*
* @param instance the instance to add
* @throws Exception if instance could not be incorporated successfully
*/
public void updateClassifier(Instance instance) throws Exception {
if (m_Train.equalHeaders(instance.dataset()) == false) {
throw new Exception("Incompatible instance types");
}
if (instance.classIsMissing()) {
return;
}
m_Train.add(instance);
m_NNSearch.update(instance);
m_kNNValid = false;
if ((m_WindowSize > 0) && (m_Train.numInstances() > m_WindowSize)) {
boolean deletedInstance = false;
while (m_Train.numInstances() > m_WindowSize) {
m_Train.delete(0);
deletedInstance = true;
}
// rebuild datastructure KDTree currently can't delete
if (deletedInstance == true) m_NNSearch.setInstances(m_Train);
}
}