y doesn't even go below 60% from week 0 to week 15 of the analysis. In a nutshell, </p>
<ul>
<li>Client C is very likely to churn within the first 2 weeks</li>
<li>Client B is likely to churn within the next 15 weeks</li>
<li>Client A is very likely to remain a customer within the next 15 weeks.</li>
</ul>
</li>
</ul>
<hr />
<h2 id="ht-x-hazard-function-and-rx-risk-score">
<script type="math/tex">h(t, x)</script>, hazard function and <script type="math/tex">r(x)</script> risk score</h2>
<p>
<script type="ma