n><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/system.file.html" class="external-link">system.file</a></span><span class="op">(</span><span class="st">"sample_img/balloon1.png"</span>, package <span class="op">=</span> <span class="st">"Rvision"</span><span class="op">)</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="va">balloon_chan</span> <span class="op">&lt;-</span> <span class="fu"><a href="split.html">split</a></span><span class="op">(</