/a> callbacks used </li>
<li><code>rewards</code> - any <a href="/mrl/reward.html#RewardCallback"><code>RewardCallback</code></a> callbacks</li>
<li><code>losses</code> - any <a href="/mrl/losses.html#LossCallback"><code>LossCallback</code></a> callbacks</li>
<li><code>cbs</code> - any other <a href="/mrl/callback_core.html#Callback"><code>Callback</code></a> classes that don't fall into the above categories</li>
</ul>
<h2 id="The-Fit-Loop">The Fit Loop<a class="anchor-link" href="#The-Fit-Loop"> </a></h2><