pan> (<span class='fl'>FALSE</span>) {
<span class='no'>model</span> <span class='kw'>=</span> <span class='fu'>keras_model_sequential</span>() <span class='kw'>%&gt;%</span>
  <span class='fu'>layer_dense</span>(<span class='kw'>units</span> <span class='kw'>=</span> <span class='fl'>10</span>, <span class='kw'>input_shape</span> <span class='kw'>=</span> <span class='fu'><a href='https://rdrr.io/r/base/nrow.html'>ncol</a></span>(<span class='no'>iris</span>) - <span class='fl'>1</span>,<span class='kw'>ac