PTA_computePrecisionRecall precRec = null;
{
precRec = new PTA_computePrecisionRecall(markovD);
precRec.crossWith(walkEngine);PosNegPrecisionRecall result = precRec.getPosNegPrecisionRecallNum();
final String name = "Markov";
System.out.println(name+": +precision "+result.getPosprecision()+" +recall: "+result.getPosrecall());
System.out.println(name+": -precision "+result.getNegprecision()+" -recall: "+result.getNegrecall());
System.out.println(name+": =precision "+result.getPrecision()+" =recall: "+result.getRecall());
}