//=== entropy
//--normalize
SignedValue entropyFactor = goalK.getR().getEntropy().duplicate();
entropyFactor.multiLogNumber(-logZ);
this.entropy = logZ - entropyFactor.convertToRealValue();//logZ - \bar{r}/Z
//System.out.print("Entropy is" + entropy);
//=== risk
//--normalize
SignedValue riskFactor = goalK.getR().getRisk().duplicate();