Rules"</span>)</a></code></pre></div>
<p><img src="Scoring_Rules_GEE_files/figure-html/plot_Ex2-1.png" width="816" style="display: block; margin: auto;"></p>
<p>We observe that the independence working correlation matrix seems to produce the better predictions compared to the other two. Also we observe that the predictive performance of the three structures remains relatively stable during follow-up.</p>
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