mend using Hadley Wickham’s style guide when writing code (<a href="http://adv-r.had.co.nz/Style.html" class="external-link uri">http://adv-r.had.co.nz/Style.html</a>).</p>
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<div class="section level2">
<h2 id="testing">Testing<a class="anchor" aria-label="anchor" href="#testing"></a></h2>
<p>Any new feature or bug-fix should include a unit-test demonstrating the change. Unit tests follow the testthat framework with files in tests/testthat. Please make sure that the testing suite passes before issui