DelValueAction(int nTargetNode, String sValue) {
try {
m_nTargetNode = nTargetNode;
m_sValue = sValue;
m_att = m_Instances.attribute(nTargetNode);
SerializedObject so = new SerializedObject(m_Distributions[nTargetNode]);
m_CPT = (Estimator[]) so.getObject();
;
m_children = new FastVector();
for (int iNode = 0; iNode < getNrOfNodes(); iNode++) {
if (m_ParentSets[iNode].contains(nTargetNode)) {
m_children.addElement(iNode);