up>
    <tr>
      <th>lambda0</th>
      <td><p>parameters for Poisson process.</p></td>
    </tr>
    <tr>
      <th>c</th>
      <td><p>the proportion of intensity 1 over intensity 2</p></td>
    </tr>
    <tr>
      <th>Q</th>
      <td><p>transition probability matrix</p></td>
    </tr>
    <tr>
      <th>events</th>
      <td><p>vector containing the event times.
Note that the first event is often specified as zero.
Alternatively, events could be specified as NULL,
 meaning that the data will be added