public static void main(String[] args) throws IOException {
RegressionInputs inputs = Conversion.toRegressionInputs(getInputs());
Parameters params = getParams();
RegressionSVM svm = LazySVM.loadOrTrainRegression("generated", params, inputs);
System.out.println("Maybe reused a trained svm!");
openChart(getRegressionChart(svm, inputs));
}
/** *************************************************** */
public static RegressionInputs loadRegressionCsv(String filename) throws IOException {
CSVReader reader = new CSVReader(new FileReader(filename));
String[] nextLine;
Vector<svm_node[]> x = new Vector<svm_node[]>();
Vector<Double> y = new Vector<Double>();
while ((nextLine = reader.readNext()) != null) {
int m = nextLine.length;
svm_node[] xk = new svm_node[m - 1];
for (int i = 0; i < m - 1; i++)
xk[i] = Conversion.toVector(i, Double.parseDouble(nextLine[i]));
x.add(xk);
y.add(Double.parseDouble(nextLine[m - 1]));
}
reader.close();
return new RegressionInputs(x, y);
}
public static Coord3d[] getInputs() {
return Conversion.toArray(SphereScatterGenerator.generate(new Coord3d(0, 0, 0), 1, 20, true));
}