public static FloatDataSet load(File path) throws IOException {
   DataInputStream bis = new DataInputStream(new BufferedInputStream(new FileInputStream(path)));
   FloatMatrix x = new FloatMatrix(1, 1);
   FloatMatrix y = new FloatMatrix(1, 1);
   x.in(bis);
   y.in(bis);
   bis.close();
   return new FloatDataSet(x, y);
 }