code: def get_labels():
      
      cannon_teff = data['cannon_teff_2']
      cannon_logg = data['cannon_logg_2']
      cannon_m_h = data['cannon_m_h']
      cannon_alpha_m = data['cannon_alpha_m']
      cannon_a_k = data['cannon_a_k']
      labels = np.vstack(
              (cannon_teff, cannon_logg, cannon_m_h, cannon_alpha_m, cannon_a_k))
      cannon_chisq = data['cannon_chisq']
      np.savez(DATA_DIR + "chisq.npz", labels)
      np.savez(DATA_DIR + "labels.npz", labels)
      snrg = data['cannon_snrg'] # snrg * 3
      np.savez("snr.npz", snrg)
      return labels.T
docs: Labels to make Cannon model spectra