link">c</a></span><span class="op">(</span><span class="st">"m_xgboost"</span><span class="op">)</span>,</span></span>
<span class="r-in"><span>                              gps_density <span class="op">=</span> <span class="st">"kernel"</span><span class="op">)</span></span></span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> Loading required package: nnls</span>
<span class="r-err co"><span class="r-pr">#&gt;</span> <span class="error">Error in get(library$library$predAlgorithm[s], envir = env):