lass="va">input</span>, <span class="va">frozen</span><span class="op">)</span></span></span>
<span class="r-out co"><span class="r-pr">#&gt;</span>             [,1]       [,2]</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [1,]  0.72420454  0.3836954</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [2,] -0.09810928 -0.5098147</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [3,]  0.00000000  0.0000000</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> [4,