[gradsusr] How to calculate "quartile" like value using grads script?

[Jennifer Adams]

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. 
--Jennifer

On Sep 26, 2013, at 3:00 AM, Brandon Brown wrote:

> Hi,
> 
> I am newbie, now I want to draw a boxplot, but I don't now how to calculate the values which ares quartile like.
> 
> 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%).
> 
> Could any one help me, thanks.
> 
> Brown.
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--
Jennifer M. Adams
Center for Ocean-Land-Atmosphere Studies (COLA)
111 Research Hall, Mail Stop 2B3
George Mason University
4400 University Drive
Fairfax, VA 22030 





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