data that is <code><a href='as_pibble.html'>as_pibble()</a></code>d with all three, unless <code>.setpanel=FALSE</code>.</p></td>
    </tr>
    <tr>
      <th>.t</th>
      <td><p>Quoted or unquoted variable indicating the time. <code>pmdplyr</code> accepts two kinds of time variables: numeric variables where a fixed distance <code>.d</code> will take you from one observation to the next, or, if <code>.d=0</code>, any standard variable type with an order. Consider using the <code><a href='time_variable.html