[ncl-talk] 95% confidence level plot curve

Dennis Shea shea at ucar.edu
Tue Mar 15 12:59:49 MDT 2016


Look at the documentation for specx_ci:

http://www.ncl.ucar.edu/Document/Functions/Shea_util/specx_ci.shtml

;   splt(0,:) - input spectrum
;   splt(1,:) - Markov "Red Noise" spectrum
;   splt(2,:) - lower confidence bound for Markov
;   splt(3,:) - upper confidence bound for Markov

===
   splt(1:2,:) = splt at _FillValue
  plt = gsn_csm_xy(wks,spec at frq, splt,res)



On Tue, Mar 15, 2016 at 5:07 AM, Nanda Kishore Reddy <nandu.eng at gmail.com>
wrote:

> Hi NCL users,
>
>                    I have calculated the spectrum analysis by using
> *specx_ci* command (figure attached below) and I got the resultant plot
> with 0.05% & 0.95% confidence bounds (Green and red dashed line). But, I
> would like to plot the confidence curve of only 0.95 (Dashed red line) or
> 0.99 limits and neglect the 0.05 limit curve (i.e. Green curve) so, is
> there any possibility to do in NCL.
>
>
>
>
> With Kind Regards
> Nanda Kishore reddy. B
> Senior Research Fellow
> Ocean Observation Systems
> NIOT, INDIA
>
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