bold; } 
code > span.fu { color: #900; font-weight: bold; }  code > span.er { color: #a61717; background-color: #e3d2d2; } 
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<h1 class="title toc-ignore">Getting started with cxr</h1>
<h4 class="author">David Garcia-Callejas and cxr team</h4>



<p><strong>Introduction</strong></p>
<p>The <code>cxr</code> package provides a general interface to obtain estimates of species vital rates and interaction coefficients between species pairs from empirical data. These estimations are