fu">rDir</span><span class="op">(</span>n <span class="op">=</span> <span class="fl">10</span>, alpha <span class="op">=</span> <span class="fl">1</span><span class="op">:</span><span class="fl">4</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span>              [,1]       [,2]       [,3]      [,4]</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>  [1,] 0.115370906 0.01462583 0.23753035 0.6324729</span>
<span class="r-out co"><span class="r-pr">#&g