Java Code Examples for org.neuroph.core.NeuralNetwork#calculate()
The following examples show how to use
org.neuroph.core.NeuralNetwork#calculate() .
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Example 1
| Source File: SwedishAutoInsurance.java From NeurophFramework with Apache License 2.0 | 6 votes |
|
public void evaluate(NeuralNetwork neuralNet, DataSet dataSet) {
System.out.println("Calculating performance indicators for neural network.");
MeanSquaredError mse = new MeanSquaredError();
MeanAbsoluteError mae = new MeanAbsoluteError();
for (DataSetRow testSetRow : dataSet.getRows()) {
neuralNet.setInput(testSetRow.getInput());
neuralNet.calculate();
double[] networkOutput = neuralNet.getOutput();
double[] desiredOutput = testSetRow.getDesiredOutput();
mse.addPatternError(networkOutput, desiredOutput);
mae.addPatternError(networkOutput, desiredOutput);
}
System.out.println("Mean squared error is: " + mse.getTotalError());
System.out.println("Mean absolute error is: " + mae.getTotalError());
}
Example 2
| Source File: Classifier.java From NeurophFramework with Apache License 2.0 | 6 votes |
|
public String classify(double[] pattern) {
NeuralNetwork<?> nnet = getParentNetwork();
nnet.setInput(pattern);
nnet.calculate();
Neuron maxNeuron = null;
double maxOutput = Double.MIN_VALUE;
for (Neuron neuron : nnet.getOutputNeurons()) {
if (neuron.getOutput() > maxOutput) {
maxOutput = neuron.getOutput();
maxNeuron = neuron;
}
}
if (maxOutput > threshold)
return maxNeuron.getLabel();
else
return null;
}
Example 3
| Source File: AnimalsClassificationSample.java From NeurophFramework with Apache License 2.0 | 5 votes |
|
public void testNeuralNetwork(NeuralNetwork neuralNet, DataSet testSet) {
for (DataSetRow testSetRow : testSet.getRows()) {
neuralNet.setInput(testSetRow.getInput());
neuralNet.calculate();
double[] networkOutput = neuralNet.getOutput();
System.out.print("Input: " + Arrays.toString(testSetRow.getInput()));
System.out.println(" Output: " + Arrays.toString(networkOutput));
}
}
Example 4
| Source File: Ionosphere.java From NeurophFramework with Apache License 2.0 | 5 votes |
|
public void testNeuralNetwork(NeuralNetwork neuralNet, DataSet testSet) {
System.out.println("Showing inputs, desired output and neural network output for every row in test set.");
for (DataSetRow testSetRow : testSet.getRows()) {
neuralNet.setInput(testSetRow.getInput());
neuralNet.calculate();
double[] networkOutput = neuralNet.getOutput();
System.out.println("Input: " + Arrays.toString(testSetRow.getInput()));
System.out.println("Output: " + Arrays.toString(networkOutput));
System.out.println("Desired output" + Arrays.toString(testSetRow.getDesiredOutput()));
}
}
Example 5
| Source File: ConceptLearningAndClassificationSample.java From NeurophFramework with Apache License 2.0 | 5 votes |
|
public void testNeuralNetwork(NeuralNetwork neuralNet, DataSet testSet) {
for (DataSetRow testSetRow : testSet.getRows()) {
neuralNet.setInput(testSetRow.getInput());
neuralNet.calculate();
double[] networkOutput = neuralNet.getOutput();
System.out.print("Input: " + Arrays.toString(testSetRow.getInput()));
System.out.println(" Output: " + Arrays.toString(networkOutput));
}
}
Example 6
| Source File: IrisFlowers.java From NeurophFramework with Apache License 2.0 | 5 votes |
|
public void testNeuralNetwork(NeuralNetwork neuralNet, DataSet testSet) {
System.out.println("Showing inputs, desired output and neural network output for every row in test set.");
for (DataSetRow testSetRow : testSet.getRows()) {
neuralNet.setInput(testSetRow.getInput());
neuralNet.calculate();
double[] networkOutput = neuralNet.getOutput();
System.out.println("Input: " + Arrays.toString(testSetRow.getInput()));
System.out.println("Output: " + Arrays.toString(networkOutput));
System.out.println("Desired output" + Arrays.toString(testSetRow.getDesiredOutput()));
}
}
Example 7
| Source File: PredictingPokerHandsSample.java From NeurophFramework with Apache License 2.0 | 5 votes |
|
public void testNeuralNetwork(NeuralNetwork neuralNet, DataSet testSet) {
for (DataSetRow testSetRow : testSet.getRows()) {
neuralNet.setInput(testSetRow.getInput());
neuralNet.calculate();
double[] networkOutput = neuralNet.getOutput();
System.out.print("Input: " + Arrays.toString(testSetRow.getInput()));
System.out.println(" Output: " + Arrays.toString(networkOutput));
}
}
Example 8
| Source File: WineQualityClassification.java From NeurophFramework with Apache License 2.0 | 5 votes |
|
public void testNeuralNetwork(NeuralNetwork neuralNet, DataSet testSet) {
System.out.println("Showing inputs, desired output and neural network output for every row in test set.");
for (DataSetRow testSetRow : testSet.getRows()) {
neuralNet.setInput(testSetRow.getInput());
neuralNet.calculate();
double[] networkOutput = neuralNet.getOutput();
System.out.println("Input: " + Arrays.toString(testSetRow.getInput()));
System.out.println("Output: " + Arrays.toString(networkOutput));
System.out.println("Desired output" + Arrays.toString(testSetRow.getDesiredOutput()));
}
}
Example 9
| Source File: Abalone.java From NeurophFramework with Apache License 2.0 | 5 votes |
|
public void testNeuralNetwork(NeuralNetwork neuralNet, DataSet testSet) {
System.out.println("Showing inputs, desired output and neural network output for every row in test set.");
for (DataSetRow testSetRow : testSet.getRows()) {
neuralNet.setInput(testSetRow.getInput());
neuralNet.calculate();
double[] networkOutput = neuralNet.getOutput();
System.out.println("Input: " + Arrays.toString(testSetRow.getInput()));
System.out.println("Output: " + Arrays.toString(networkOutput));
System.out.println("Desired output" + Arrays.toString(testSetRow.getDesiredOutput()));
}
}
Example 10
| Source File: ForestFiresSample.java From NeurophFramework with Apache License 2.0 | 5 votes |
|
public void testNeuralNetwork(NeuralNetwork neuralNet, DataSet testSet) {
for (DataSetRow testSetRow : testSet.getRows()) {
neuralNet.setInput(testSetRow.getInput());
neuralNet.calculate();
double[] networkOutput = neuralNet.getOutput();
System.out.print("Input: " + Arrays.toString(testSetRow.getInput()));
System.out.println(" Output: " + Arrays.toString(networkOutput));
}
}
Example 11
| Source File: PredictingTheReligionSample.java From NeurophFramework with Apache License 2.0 | 5 votes |
|
public void testNeuralNetwork(NeuralNetwork neuralNet, DataSet testSet) {
for (DataSetRow testSetRow : testSet.getRows()) {
neuralNet.setInput(testSetRow.getInput());
neuralNet.calculate();
double[] networkOutput = neuralNet.getOutput();
System.out.print("Input: " + Arrays.toString(testSetRow.getInput()));
System.out.println(" Output: " + Arrays.toString(networkOutput));
}
}
Example 12
| Source File: XorMultiLayerPerceptronSample.java From NeurophFramework with Apache License 2.0 | 5 votes |
|
/**
* Prints network output for the each element from the specified training set.
* @param neuralNet neural network
* @param testSet test set
*/
public static void testNeuralNetwork(NeuralNetwork neuralNet, DataSet testSet) {
for(DataSetRow testSetRow : testSet.getRows()) {
neuralNet.setInput(testSetRow.getInput());
neuralNet.calculate();
double[] networkOutput = neuralNet.getOutput();
System.out.print("Input: " + Arrays.toString( testSetRow.getInput() ) );
System.out.println(" Output: " + Arrays.toString( networkOutput) );
}
}
Example 13
| Source File: GermanCreditDataSample.java From NeurophFramework with Apache License 2.0 | 5 votes |
|
public void testNeuralNetwork(NeuralNetwork neuralNet, DataSet testSet) {
System.out.println("**************************************************");
System.out.println("**********************RESULT**********************");
System.out.println("**************************************************");
for (DataSetRow testSetRow : testSet.getRows()) {
neuralNet.setInput(testSetRow.getInput());
neuralNet.calculate();
//Finding network output
double[] networkOutput = neuralNet.getOutput();
int predicted = maxOutput(networkOutput);
//Finding actual output
double[] networkDesiredOutput = testSetRow.getDesiredOutput();
int ideal = maxOutput(networkDesiredOutput);
//Colecting data for network evaluation
keepScore(predicted, ideal);
}
System.out.println("Total cases: " + this.count[2] + ". ");
System.out.println("Correctly predicted cases: " + this.correct[2] + ". ");
System.out.println("Incorrectly predicted cases: " + (this.count[2] - this.correct[2] - unpredicted) + ". ");
System.out.println("Unrecognized cases: " + unpredicted + ". ");
double percentTotal = (double) this.correct[2] * 100 / (double) this.count[2];
System.out.println("Predicted correctly: " + formatDecimalNumber(percentTotal) + "%. ");
double percentM = (double) this.correct[0] * 100.0 / (double) this.count[0];
System.out.println("Prediction for 'Good credit risk' => (Correct/total): "
+ this.correct[0] + "/" + count[0] + "(" + formatDecimalNumber(percentM) + "%). ");
double percentB = (double) this.correct[1] * 100.0 / (double) this.count[1];
System.out.println("Prediction for 'Bad credit risk' => (Correct/total): "
+ this.correct[1] + "/" + count[1] + "(" + formatDecimalNumber(percentB) + "%). ");
}
Example 14
| Source File: WheatSeeds.java From NeurophFramework with Apache License 2.0 | 5 votes |
|
public void testNeuralNetwork(NeuralNetwork neuralNet, DataSet testSet) {
System.out.println("Showing inputs, desired output and neural network output for every row in test set.");
for (DataSetRow testSetRow : testSet.getRows()) {
neuralNet.setInput(testSetRow.getInput());
neuralNet.calculate();
double[] networkOutput = neuralNet.getOutput();
System.out.println("Input: " + Arrays.toString(testSetRow.getInput()));
System.out.println("Output: " + Arrays.toString(networkOutput));
System.out.println("Desired output" + Arrays.toString(testSetRow.getDesiredOutput()));
}
}
Example 15
| Source File: Evaluate.java From NeurophFramework with Apache License 2.0 | 5 votes |
|
public void testNeuralNetwork(NeuralNetwork neuralNet, DataSet testSet) {
for (DataSetRow testSetRow : testSet.getRows()) {
neuralNet.setInput(testSetRow.getInput());
neuralNet.calculate();
//Finding network output
double[] networkOutput = neuralNet.getOutput();
int predicted = maxOutput(networkOutput);
//Finding actual output
double[] networkDesiredOutput = testSetRow.getDesiredOutput();
int ideal = maxOutput(networkDesiredOutput);
//Colecting data for network evaluation
keepScore(predicted, ideal);
}
System.out.println("Total cases: " + this.count[7] + ". ");
System.out.println("Correct cases: " + this.correct[7] + ". ");
System.out.println("Incorrectly predicted cases: " + (this.count[7] - this.correct[7] - unpredicted) + ". ");
System.out.println("Unrecognized cases: " + unpredicted + ". ");
double percentTotal = (double) this.correct[7] * 100 / (double) this.count[7];
System.out.println("Predicted correctly: " + formatDecimalNumber(percentTotal) + "%. ");
for (int i = 0; i < correct.length - 1; i++) {
double p = (double) this.correct[i] * 100.0 / (double) this.count[i];
System.out.println("Tree type: " + (i + 1) + " - Correct/total: "
+ this.correct[i] + "/" + count[i] + "(" + formatDecimalNumber(p) + "%). ");
}
}
Example 16
| Source File: PimaIndiansDiabetes.java From NeurophFramework with Apache License 2.0 | 5 votes |
|
public void testNeuralNetwork(NeuralNetwork neuralNet, DataSet testSet) {
System.out.println("Showing inputs, desired output and neural network output for every row in test set.");
for (DataSetRow testSetRow : testSet.getRows()) {
neuralNet.setInput(testSetRow.getInput());
neuralNet.calculate();
double[] networkOutput = neuralNet.getOutput();
System.out.println("Input: " + Arrays.toString(testSetRow.getInput()));
System.out.println("Output: " + Arrays.toString(networkOutput));
System.out.println("Desired output" + Arrays.toString(testSetRow.getDesiredOutput()));
}
}
Example 17
| Source File: PerceptronSample.java From NeurophFramework with Apache License 2.0 | 5 votes |
|
/**
* Prints network output for the each element from the specified training set.
* @param neuralNet neural network
* @param testSet data set used for testing
*/
public static void testNeuralNetwork(NeuralNetwork neuralNet, DataSet testSet) {
for(DataSetRow trainingElement : testSet.getRows()) {
neuralNet.setInput(trainingElement.getInput());
neuralNet.calculate();
double[] networkOutput = neuralNet.getOutput();
System.out.print("Input: " + Arrays.toString(trainingElement.getInput()) );
System.out.println(" Output: " + Arrays.toString(networkOutput) );
}
}
Example 18
| Source File: Main.java From NeurophFramework with Apache License 2.0 | 4 votes |
|
public static void main(String[] args) {
System.out.println("Time stamp N1:" + new SimpleDateFormat("dd-MMM-yyyy HH:mm:ss:MM").format(new Date()));
int maxIterations = 10000;
NeuralNetwork neuralNet = new MultiLayerPerceptron(4, 9, 1);
((LMS) neuralNet.getLearningRule()).setMaxError(0.001);//0-1
((LMS) neuralNet.getLearningRule()).setLearningRate(0.7);//0-1
((LMS) neuralNet.getLearningRule()).setMaxIterations(maxIterations);//0-1
DataSet trainingSet = new DataSet(4, 1);
double daxmax = 10000.0D;
trainingSet.add(new DataSetRow(new double[]{3710.0D / daxmax, 3690.0D / daxmax, 3890.0D / daxmax, 3695.0D / daxmax}, new double[]{3666.0D / daxmax}));
trainingSet.add(new DataSetRow(new double[]{3690.0D / daxmax, 3890.0D / daxmax, 3695.0D / daxmax, 3666.0D / daxmax}, new double[]{3692.0D / daxmax}));
trainingSet.add(new DataSetRow(new double[]{3890.0D / daxmax, 3695.0D / daxmax, 3666.0D / daxmax, 3692.0D / daxmax}, new double[]{3886.0D / daxmax}));
trainingSet.add(new DataSetRow(new double[]{3695.0D / daxmax, 3666.0D / daxmax, 3692.0D / daxmax, 3886.0D / daxmax}, new double[]{3914.0D / daxmax}));
trainingSet.add(new DataSetRow(new double[]{3666.0D / daxmax, 3692.0D / daxmax, 3886.0D / daxmax, 3914.0D / daxmax}, new double[]{3956.0D / daxmax}));
trainingSet.add(new DataSetRow(new double[]{3692.0D / daxmax, 3886.0D / daxmax, 3914.0D / daxmax, 3956.0D / daxmax}, new double[]{3953.0D / daxmax}));
trainingSet.add(new DataSetRow(new double[]{3886.0D / daxmax, 3914.0D / daxmax, 3956.0D / daxmax, 3953.0D / daxmax}, new double[]{4044.0D / daxmax}));
trainingSet.add(new DataSetRow(new double[]{3914.0D / daxmax, 3956.0D / daxmax, 3953.0D / daxmax, 4044.0D / daxmax}, new double[]{3987.0D / daxmax}));
trainingSet.add(new DataSetRow(new double[]{3956.0D / daxmax, 3953.0D / daxmax, 4044.0D / daxmax, 3987.0D / daxmax}, new double[]{3996.0D / daxmax}));
trainingSet.add(new DataSetRow(new double[]{3953.0D / daxmax, 4044.0D / daxmax, 3987.0D / daxmax, 3996.0D / daxmax}, new double[]{4043.0D / daxmax}));
trainingSet.add(new DataSetRow(new double[]{4044.0D / daxmax, 3987.0D / daxmax, 3996.0D / daxmax, 4043.0D / daxmax}, new double[]{4068.0D / daxmax}));
trainingSet.add(new DataSetRow(new double[]{3987.0D / daxmax, 3996.0D / daxmax, 4043.0D / daxmax, 4068.0D / daxmax}, new double[]{4176.0D / daxmax}));
trainingSet.add(new DataSetRow(new double[]{3996.0D / daxmax, 4043.0D / daxmax, 4068.0D / daxmax, 4176.0D / daxmax}, new double[]{4187.0D / daxmax}));
trainingSet.add(new DataSetRow(new double[]{4043.0D / daxmax, 4068.0D / daxmax, 4176.0D / daxmax, 4187.0D / daxmax}, new double[]{4223.0D / daxmax}));
trainingSet.add(new DataSetRow(new double[]{4068.0D / daxmax, 4176.0D / daxmax, 4187.0D / daxmax, 4223.0D / daxmax}, new double[]{4259.0D / daxmax}));
trainingSet.add(new DataSetRow(new double[]{4176.0D / daxmax, 4187.0D / daxmax, 4223.0D / daxmax, 4259.0D / daxmax}, new double[]{4203.0D / daxmax}));
trainingSet.add(new DataSetRow(new double[]{4187.0D / daxmax, 4223.0D / daxmax, 4259.0D / daxmax, 4203.0D / daxmax}, new double[]{3989.0D / daxmax}));
neuralNet.learn(trainingSet);
System.out.println("Time stamp N2:" + new SimpleDateFormat("dd-MMM-yyyy HH:mm:ss:MM").format(new Date()));
DataSet testSet = new DataSet(4, 1);
testSet.add(new DataSetRow(new double[]{4223.0D / daxmax, 4259.0D / daxmax, 4203.0D / daxmax, 3989.0D / daxmax}));
for (DataSetRow testDataRow : testSet.getRows()) {
neuralNet.setInput(testDataRow.getInput());
neuralNet.calculate();
double[] networkOutput = neuralNet.getOutput();
System.out.print("Input: " + Arrays.toString(testDataRow.getInput()) );
System.out.println(" Output: " + Arrays.toString(networkOutput) );
}
//Experiments:
// calculated
//31;3;2009;4084,76 -> 4121 Error=0.01 Rate=0.7 Iterat=100
//31;3;2009;4084,76 -> 4096 Error=0.01 Rate=0.7 Iterat=1000
//31;3;2009;4084,76 -> 4093 Error=0.01 Rate=0.7 Iterat=10000
//31;3;2009;4084,76 -> 4108 Error=0.01 Rate=0.7 Iterat=100000
//31;3;2009;4084,76 -> 4084 Error=0.001 Rate=0.7 Iterat=10000
System.out.println("Time stamp N3:" + new SimpleDateFormat("dd-MMM-yyyy HH:mm:ss:MM").format(new Date()));
System.exit(0);
}
Example 19
| Source File: ActionListCalculateWithWork.java From o2oa with GNU Affero General Public License v3.0 | 4 votes |
|
ActionResult<List<Wo>> execute(EffectivePerson effectivePerson, String modelFlag, String workId) throws Exception {
logger.debug(effectivePerson, "modelFlag:{}, workId:{}.", modelFlag, workId);
try (EntityManagerContainer emc = EntityManagerContainerFactory.instance().create()) {
ActionResult<List<Wo>> result = new ActionResult<>();
Business business = new Business(emc);
Model model = emc.flag(modelFlag, Model.class);
if (null == model) {
throw new ExceptionEntityNotExist(modelFlag, Model.class);
}
if (StringUtils.isEmpty(model.getNnet())) {
throw new ExceptionModelNotReady(model.getName());
}
NeuralNetwork<MomentumBackpropagation> neuralNetwork = null;
String cacheKey = ApplicationCache.concreteCacheKey(this.getClass(), model.getId());
Element element = cache.get(cacheKey);
if (null != element && (null != element.getObjectValue())) {
neuralNetwork = ((NeuralNetwork<MomentumBackpropagation>) element.getObjectValue());
} else {
if (StringUtils.isEmpty(model.getNnet())) {
throw new ExceptionModelNotReady(model.getName());
}
neuralNetwork = model.createNeuralNetwork();
NeuralNetworkCODEC.array2network(
DoubleTools.byteToDoubleArray(ByteTools.decompressBase64String(model.getNnet())),
neuralNetwork);
cache.put(new Element(cacheKey, neuralNetwork));
}
Wo wo = new Wo();
Work work = emc.flag(workId, Work.class);
if (null == work) {
throw new ExceptionEntityNotExist(workId, Work.class);
}
TreeSet<String> inValue = this.convert(business, model, work);
double[] inputs = this.inputData(business, model, inValue);
neuralNetwork.setInput(inputs);
neuralNetwork.calculate();
double[] outputs = neuralNetwork.getOutput();
// double mean = StatUtils.mean(outputs);
List<Pair> pairs = new ArrayList<>();
for (int i = 0; i < outputs.length; i++) {
// if (outputs[i] > mean) {
Pair p = new Pair();
p.setOut(outputs[i]);
p.setSerial(i);
pairs.add(p);
// }
}
pairs = pairs.stream().sorted(Comparator.comparing(Pair::getOut).reversed()).collect(Collectors.toList());
Integer maxResult = MapTools.getInteger(model.getPropertyMap(), Model.PROPERTY_MLP_MAXRESULT,
Model.DEFAULT_MLP_MAXRESULT);
if (pairs.size() > maxResult) {
pairs = pairs.stream().limit(maxResult).collect(Collectors.toList());
}
List<Wo> wos = this.outputData(business, model, pairs);
result.setData(wos);
return result;
}
}
Example 20
| Source File: McNemarTest.java From NeurophFramework with Apache License 2.0 | 4 votes |
|
private void forwardPass(NeuralNetwork neuralNetwork, DataSetRow dataRow) {
neuralNetwork.setInput(dataRow.getInput());
neuralNetwork.calculate();
}
