Exemple #1
0
        ErrorMeasure ForwardPassError(ITrainingSetItemRepository trainingSetItem)
        {
            ErrorMeasure errorMeasure;
            double       sumError = 0.0;
            double       localError;
            Boolean      hasLearned = true;

            FeedForwardNetLayer outputLayer = feedForwardNet.GetOutputLayer();

            for (int outputNo = 0; outputNo < outputLayer.GetToUnitCount(); outputNo++)
            {
                localError = Math.Abs(trainingSetItem.GetOutputNodeValue(outputNo) - outputLayer.GetToUnitActivation(outputNo));
                if (localError > backPropagationConstants.OutputTolerance)
                {
                    hasLearned = false;
                }
                sumError += localError;
            }
            errorMeasure = new ErrorMeasure(hasLearned, sumError);
            return(errorMeasure);
        }