ring</span> <span class='kw'>=</span> <span class='fu'><a href='https://www.rdocumentation.org/packages/base/topics/c'>c</a></span>(<span class='st'>'accuracy'</span>,<span class='st'>'auc'</span>))</div><div class='output co'>#&gt; <span class='error'>Error in eval(expr, envir, enclos): object 'GridSearchTrainer' not found</span></div><div class='input'><span class='fu'><a href='https://www.rdocumentation.org/packages/utils/topics/data'>data</a></span>(<span class='st'>"iris"</span>)
<span class='no'>gst</