m_tree = new FTLeavesNode(m_errorOnProbabilities, m_numBoostingIterations, m_minNumInstances,
m_weightTrimBeta, m_useAIC);
}
//create a FTInner tree root
if (m_modelType==2)
m_tree = new FTInnerNode(m_errorOnProbabilities, m_numBoostingIterations, m_minNumInstances,
m_weightTrimBeta, m_useAIC);
//build tree
m_tree.buildClassifier(filteredData);
// prune tree