コード例 #1
0
  public static void train(File dataDir) {
    final File networkFile = new File(dataDir, Config.NETWORK_FILE);
    final File trainingFile = new File(dataDir, Config.TRAINING_FILE);

    // network file
    if (!networkFile.exists()) {
      System.out.println("Can't read file: " + networkFile.getAbsolutePath());
      return;
    }

    BasicNetwork network = (BasicNetwork) EncogDirectoryPersistence.loadObject(networkFile);

    // training file
    if (!trainingFile.exists()) {
      System.out.println("Can't read file: " + trainingFile.getAbsolutePath());
      return;
    }

    final MLDataSet trainingSet = EncogUtility.loadEGB2Memory(trainingFile);

    // train the neural network
    EncogUtility.trainConsole(network, trainingSet, Config.TRAINING_MINUTES);
    System.out.println("Final Error: " + (float) network.calculateError(trainingSet));
    System.out.println("Training complete, saving network.");
    EncogDirectoryPersistence.saveObject(networkFile, network);
    System.out.println("Network saved.");
    Encog.getInstance().shutdown();
  }
コード例 #2
0
ファイル: CmdEvaluateRaw.java プロジェクト: hoiyoo/encog-java
  /** {@inheritDoc} */
  @Override
  public final boolean executeCommand(final String args) {
    // get filenames
    final String evalID = getProp().getPropertyString(ScriptProperties.ML_CONFIG_EVAL_FILE);
    final String resourceID =
        getProp().getPropertyString(ScriptProperties.ML_CONFIG_MACHINE_LEARNING_FILE);

    final String outputID = getProp().getPropertyString(ScriptProperties.ML_CONFIG_OUTPUT_FILE);

    EncogLogging.log(EncogLogging.LEVEL_DEBUG, "Beginning evaluate raw");
    EncogLogging.log(EncogLogging.LEVEL_DEBUG, "evaluate file:" + evalID);
    EncogLogging.log(EncogLogging.LEVEL_DEBUG, "resource file:" + resourceID);

    final File evalFile = getScript().resolveFilename(evalID);
    final File resourceFile = getScript().resolveFilename(resourceID);

    final File outputFile = getAnalyst().getScript().resolveFilename(outputID);

    final MLRegression method = (MLRegression) EncogDirectoryPersistence.loadObject(resourceFile);

    final boolean headers = getScript().expectInputHeaders(evalID);

    final AnalystEvaluateRawCSV eval = new AnalystEvaluateRawCSV();
    eval.setScript(getScript());
    getAnalyst().setCurrentQuantTask(eval);
    eval.setReport(new AnalystReportBridge(getAnalyst()));
    eval.analyze(
        getAnalyst(),
        evalFile,
        headers,
        getProp().getPropertyCSVFormat(ScriptProperties.SETUP_CONFIG_CSV_FORMAT));
    eval.process(outputFile, method);
    getAnalyst().setCurrentQuantTask(null);
    return eval.shouldStop();
  }