eval.java

    while (Iter.hasNext()) {
          DataSet next = Iter.next(); 
          INDArray out2d = modelT.outputSingle(next.getFeatures()).permute(0,2,3,1).dup().reshape('c',height*width,1);
          INDArray labels2d = next.getLabels().permute(0,2,3,1).dup().reshape('c',height*width,1);
          if(k==0) {
        	   e.eval(labels2d, out2d);
        	   log.info(e.stats());
           }
           k++;
      }