-x">X<a class="anchor" aria-label="anchor" href="#arg-x"></a></dt>
<dd><p>Vector or scalar: An argument providing the values of the covariate X_t.</p></dd>

</dl></div>
    <div class="section level2">
    <h2 id="value">Value<a class="anchor" aria-label="anchor" href="#value"></a></h2>
    <p>A dlm_block object containing the following values:</p><ul><li><p>FF Array: A 3D-array containing the regression matrix for each time. Its dimension should be n x k x t, where n is the number of latent states, k is th