for(int x=0; x < numegs; x++){
Instance example = preprocess(data, x);
if (getDebug())
System.out.println("???Exemplar "+x+" has been pre-processed:"+
data.instance(x).relationalValue(1).sumOfWeights()+
"|"+example.relationalValue(1).sumOfWeights()+
"; class:"+m_Class[x]);
if(Utils.gr(example.relationalValue(1).sumOfWeights(), 0)){
for (int i=0; i<m_Dimension; i++) {
m_ValidM[x][i] = example.relationalValue(1).meanOrMode(i);
m_ValidV[x][i] = example.relationalValue(1).variance(i);