<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi Alan,<div class=""><br class=""></div><div class="">Is this how NCL calculates the median? </div><div class="">I think the code is in the binaries, because I didn’t see it in the contributed/shea_util.</div><div class=""><br class=""></div><div class="">-Jonathan</div><div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Sep 20, 2015, at 3:00 PM, Alan Brammer <<a href="mailto:abrammer@albany.edu" class="">abrammer@albany.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class="gmail_default"><div class="gmail_default"><font face="verdana, sans-serif" class="">From <a href="https://en.wikipedia.org/wiki/Median" class="">wikipedia</a>.</font></div><div class="gmail_default"><span style="color:rgb(37,37,37);font-family:sans-serif;font-size:14px" class=""> If there is an even number of observations, then there is no single middle value; the median is then usually defined to be the </span><a href="https://en.wikipedia.org/wiki/Arithmetic_mean" title="Arithmetic mean" style="text-decoration:none;color:rgb(11,0,128);background-image:none;font-family:sans-serif;font-size:14px" class="">mean</a><span style="color:rgb(37,37,37);font-family:sans-serif;font-size:14px" class=""> of the two middle values </span><sup id="cite_ref-StatisticalMedian_1-0" class="" style="line-height:1;font-size:11px;color:rgb(37,37,37);font-family:sans-serif"><a href="https://en.wikipedia.org/wiki/Median#cite_note-StatisticalMedian-1" style="text-decoration:none;color:rgb(11,0,128);background-image:none;white-space:nowrap" class="">[1]</a></sup><span style="color:rgb(37,37,37);font-family:sans-serif;font-size:14px" class=""> </span><sup id="cite_ref-2" class="" style="line-height:1;font-size:11px;color:rgb(37,37,37);font-family:sans-serif"><a href="https://en.wikipedia.org/wiki/Median#cite_note-2" style="text-decoration:none;color:rgb(11,0,128);background-image:none;white-space:nowrap" class="">[2]</a></sup><span style="color:rgb(37,37,37);font-family:sans-serif;font-size:14px" class=""> (the median of {3, 5, 7, 9} is (5 + 7) / 2 = 6), which corresponds to interpreting the median as the fully </span><a href="https://en.wikipedia.org/wiki/Trimmed_estimator" title="Trimmed estimator" style="text-decoration:none;color:rgb(11,0,128);background-image:none;font-family:sans-serif;font-size:14px" class="">trimmed</a><span style="color:rgb(37,37,37);font-family:sans-serif;font-size:14px" class=""> </span><a href="https://en.wikipedia.org/wiki/Mid-range" title="Mid-range" style="text-decoration:none;color:rgb(11,0,128);background-image:none;font-family:sans-serif;font-size:14px" class="">mid-range</a><span style="color:rgb(37,37,37);font-family:sans-serif;font-size:14px" class="">. </span><font face="verdana, sans-serif" class=""><br class=""></font></div><div class="gmail_default"><br class=""></div><div class="gmail_default"><font color="#252525" face="sans-serif" class=""><span style="font-size:14px" class=""><br class=""></span></font></div><div class="gmail_default"><span style="color:rgb(37,37,37);font-family:sans-serif;font-size:14px" class="">Alan. </span></div></div></div>
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