WorkerNode singleWorker = (WorkerNode)polr_ir.getWorker().get(0);
WorkerNode secondWorker = (WorkerNode)polr_ir.getWorker().get(1);
MasterNode master = (MasterNode) polr_ir.getMaster();
System.out.println("\n\nComplete: ");
//Utils.PrintVector( master.polr.getBeta().viewRow(0) );
// this.scoreNeuralNetworkXor( master.master_nn );