[ncl-talk] sub: significant test

[Dennis Shea]

I am not sure what you are doing.
You should provide more information.

Does 'dfcor' contain a correlation?
   printVarSummary(dfcor)
   printMinMax(dfcor,0)

Why did you make it a one-dimensional array?




On Fri, Mar 6, 2020 at 2:51 PM dale zuri via ncl-talk <ncl-talk at ucar.edu>
wrote:

> Hi Ncl user,
> I have been trying to test the significance of an array using the
> following steps. I don't see any stripes on the figure. I am not sure where
> I'm going wrong. I don't get any warning message. I would appreciate any
> comments.
>
> Thanks
>
> ;TTest:;;;;;
>
> x1d=ndtooned(dfcor)
>
> n    = dimsizes(x1d)                ; n=11
>
> df   = n-2
>
> siglvl=0.05
>
>  ppr     = rtest(x1d, n, 0)
>
> printVarSummary(ppr)
>
>  x4d     = onedtond(ppr,(/26,76/))
>
> printVarSummary(x4d)
>
> x4d = where(x4d.lt.siglvl, 1, x4d)
>
> printMinMax(x4d,0)
>
> ;overlay plot::::::
>
> opt = True                                         ; set up parameters
> for pattern fill
>
>   opt at gsnShadeFillType = "pattern"                   ; specify pattern
> fill
>
>   opt at gsnShadeLow      = 17                         ; stipple pattern
>
> ;  opt at gsnShadeDotSizeF = 3                           ; make dots larger
>
>  plot2  = gsn_csm_contour(wks,x4d,res2)
>
>
>   plot2   = gsn_contour_shade(plot2,0.05,30, opt)        ; stipple all
> areas >= 99%  contour
>
>
>   overlay (plot, plot2)
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