ass='message'>Adding problem 'iris'</span></div><div class='input'><span class='fu'><a href='addAlgorithm.html'>addAlgorithm</a></span><span class='op'>(</span>name <span class='op'>=</span> <span class='st'>"nrow"</span>, <span class='kw'>function</span><span class='op'>(</span><span class='va'>instance</span>, <span class='va'>...</span><span class='op'>)</span> <span class='fu'><a href='https://rdrr.io/r/base/nrow.html'>nrow</a></span><span class='op'>(</span><span class='va'>instance</span><span class='