"#what-is-this-public-class_name-member-in-every-bandit-and-policy">What is this public “class_name” member in every Bandit and Policy?</a></li>
<li><a href="#what-is-the-use-of-get_arm_context-and-get_full_context">What is the use of get_arm_context() and get_full_context()?</a></li>
<li><a href="#how-do-i-define-my-own-custom-regret-function">How do I define my own custom regret function?</a></li>
</ul>
</div>
<div id="are-contextuals-arms-zero--or-one-based" class="section level2">
<h2 class="hasAnch