Loading training and testing sets

def readucr(filename):
  data = np.loadtxt(filename, delimiter=",")
  y = data[:, 0]
  x = data[:, 1:]
  return x, y.astype(int)



x_train, y_train = readucr("EDXRF_HC_TRAINING.csv")
x_test, y_test = readucr("EDXRF_HC_TESTING.csv")