Map<String,Double> res;
int minR=getParameterAsInt("Min Rating");
int maxR=getParameterAsInt("Range")+minR;
res=RatingEval.Evaluate(predicted,minR,maxR);
double [] a1={res.get("RMSE"),res.get("MAE"),res.get("NMAE")};
DoubleArrayDataRow row=new DoubleArrayDataRow(a1);
a.addDataRow(row);
PerformanceVector result1 = new PerformanceVector();
EstimatedPerformance performance = new EstimatedPerformance("RMSE", a1[0],1,true);
EstimatedPerformance performance1 = new EstimatedPerformance("MAE", a1[1],1,true);