Dimension       : 10 x 10 x 10</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   Pixel Dimension : 1 x 1 x 1</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   Voxel Units     : Unknown</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   Time Units      : Unknown</span>
<span class="r-in"><span><span class="va">mask</span> <span class="op">=</span> <span class="va">nim</span> <span class="op">&gt;</span> <span class="fl">5</span></span></span>
<span class="r-in"><span>