<p>About the scope of R questions on Cross Validated SE: </p>

<ul>
<li>R questions require statistical expertise to be understood or answered. Pure programming question will be closed as off-topic and/or migrated to the <a href="http://stackoverflow.com/">Stack Overflow SE</a> site.</li>
</ul>

<p>For additional guidance visit the <a href="http://stats.stackexchange.com/help/on-topic">help center</a>, and also the CV meta <a href="/questions/tagged/faq" class="post-tag moderator-tag" title="show questions tagged 'faq'" rel="tag">faq</a>  post about R:</p>

<p><a href="http://meta.stats.stackexchange.com/questions/1/how-to-answer-r-questions">How to answer R questions?</a></p>
