i>
<li>Explanatory Variables</li>
<li>Explanatory Variables with time-varying coefficients</li>
<li>Explanatory Variables in the Local Level</li>
<li>Explanatory Variables in the Local Level + Slope</li>
<li>ARIMA</li>
<li>SARIMA</li>
<li>Moreover, you can specify a component yourself!</li>
</ul>
<p>These components can be used for both univariate, and multivariate models. The components can be combined in order to get more extensive models. Moreover, the user can control the format of the variance - covari