nsition()</a></code> </p>
        </td>
        <td><p>Extract variable transformation from xspliner</p></td>
      </tr><tr>
        
        <td>
          <p><code><a href="xf_opts_default.html">xf_opts_default</a></code> <code><a href="xf_opts_default.html">xs_opts_default</a></code> </p>
        </td>
        <td><p>Default parameters for transition methods</p></td>
      </tr><tr>
        
        <td>
          <p><code><a href="xspline.html">xspline()</a></code> <code><a href="xspline.html">model_su