</th>
      <td><p>if TRUE, training and test data in the M-competition data are combined and generate a time
series corresponds to the full length of the series. Otherwise, it generate a time series
based on the training period of the series.</p></td>
    </tr>
    <tr>
      <th>M</th>
      <td><p>if TRUE, y is considered to be a Mcomp data object</p></td>
    </tr>
    <tr>
      <th>Future</th>
      <td><p>if future=TRUE, the simulated observations are conditional on the historical observations.
In ot