<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Unfortunately, GrADS does not have sorting built in (yet), so there is no straightforward way to do the quartile-like calculations you are asking for. Perhaps other members of the forum can offer their workarounds. <div>--Jennifer<br><div><br><div><div>On Sep 26, 2013, at 3:00 AM, Brandon Brown wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr">Hi,<div><br></div><div style="">I am newbie, now I want to draw a boxplot, but I don't now how to calculate the values which ares quartile like.</div><div style=""><br></div><div style="">As you know, quartile calculate q1(25%), q2(50%), q3(75%), and now I want to calculate q1(15%), q2(25%), q3(50%), q4(75%), q5(85%).</div>
<div style=""><br></div><div style="">Could any one help me, thanks.</div><div style=""><br></div><div style="">Brown.</div></div>
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