@Override
public Dataset buildDataset() {
Dataset ret = new Dataset(template, Utils.relativize(file));
int inputDim = template.inputTemplate.getDescriptionLength();
int outputDim = template.outputTemplate.getDescriptionLength();
if (file.exists()) {
try {
int index = 0, count = 0;
BufferedReader reader = new BufferedReader(new FileReader(file));
for (String line = reader.readLine();
line != null && count < instanceNumber;
line = reader.readLine(), index++) {
if (index < startIndex) continue;
String[] tokens = line.split(separators);
Object input = getData(Arrays.copyOfRange(tokens, 0, inputDim), template.inputTemplate);
Object output =
getData(
Arrays.copyOfRange(tokens, inputDim, inputDim + outputDim),
template.outputTemplate);
ret.add(template.newInstance(input, output));
count++;
}
reader.close();
ret.setReadyState();
} catch (IOException e) {
}
}
return ret;
}
private double[] getMetric(int row, Metrics metrics) {
double[] ret = new double[metrics.data.size()];
for (int i = 0; i < ret.length; i++) {
ret[i] = ((RealMatrix) metrics.data.get(i)).getEntry(row, 0);
}
Utils.normalize(ret, game.utils.Utils.getMax(ret));
return ret;
}