</strong> -- representation of the time axis of the model</li>
<li><code>time_buckets</code>: <strong>array-like</strong> -- representation of the time axis of the model using time bins, which are represented by <script type="math/tex">[ t_{k-1}, t_k )</script>
</li>
<li><code>variable_importance</code>: <strong>dict</strong> -- importance of each feature (the higher, the more important the feature is). The importance is the difference between the perturbed and unperturbed error rate for each feature.</li>
