'>y_train</span><span class='op'>)</span><span class='op'>)</span>
<span class='va'>y_test</span> <span class='op'>&lt;-</span> <span class='fu'><a href='https://rdrr.io/r/base/array.html'>array</a></span><span class='op'>(</span><span class='fu'><a href='https://rdrr.io/r/base/unlist.html'>unlist</a></span><span class='op'>(</span><span class='va'>y_test</span><span class='op'>)</span><span class='op'>)</span>

<span class='kw'><a href='https://rdrr.io/r/base/library.html'>library</a></span><span class='op