[ncl-talk] error in probability calculation

[Barry Lynn]

Hi:

The error actually tells you the problem (or at least it appears to).

It seems to be saying that your input arrays must each have the same number
of dimensions (e.g., time, x, y) for this function to work.

Barry

On Tue, Mar 7, 2017 at 1:15 PM, Dhirendra Kumar <dhirendra.cub at gmail.com>
wrote:

> Dear folks
>
> I am trying to calculate significance of the regression coefficient for a
> gridded dataset.
> I have written the followin code:
>
> f=addfile("yearmean_monmean_selmon_JJAS_mergetime_1975_2015.nc","r")
> rain=f->rf(lat|:,lon|:,time|:)
> ; regression coefficient
> time = rain&time
> rc=regCoef(time,rain)
> copy_VarCoords(rain(:,:,0), rc)
> df1= onedtond(rc at nptxy , dimsizes(rc)) - 2
> tval1 = onedtond(rc at tval , dimsizes(rc))
> printVarSummary(tval1)
> b=0.5
> prob = betainc(df1/(df1+tval1^2),df1/2.0,0.5)       ; prob(nlat,nlon)
>
> I got the following error:
> fatal:betainc: The three input arrays must have the same number of
> dimensions
> fatal:["Execute.c":8575]:Execute: Error occurred at or near line 19 in
> file regress.ncl
>
> Please suggest me any missing step or the cause of the error.
>
> ​Regards
> Dhirendra​
>
> --
> ========================================
> Dhirendra Kumar
> PhD Student
> School of Environmental Sciences, JNU
> New Delhi (India)
> Contact: +91 9910778043 <+91%2099107%2078043>
> Alternate email: dhirendra.cub at outlook.com
> =========================================
>
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-- 
Barry H. Lynn, Ph.D
Senior Lecturer,
The Institute of the Earth Science,
The Hebrew University of Jerusalem,
Givat Ram, Jerusalem 91904, Israel
Tel: 972 547 231 170
Fax: (972)-25662581

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