Re: units of pdfxy?

I answered too quickly. You are correct the units are %.
Documentatioon changed.

    pdf1 = pdfx (x, 0, False)
    pdf2 = pdfxy(x,y,

    print("sum(pdf1)="+sum(pdf1))
    print("sum(pdf2)="+sum(pdf2))
THX

On 11/22/13 1:13 PM, Jatin Kala wrote:
> Hi Dennis,
> I am confused. New documentation says:
> A two-dimensional array of size (nbiny,nbinx). Values will be 0 to 1 inclusive.
>
> When i run the example from:
> http://www.ncl.ucar.edu/Document/Functions/Contributed/pdfxy.shtml
>
> and i print the max, min and sum of the return values, these, are definitely % values, as the sum of all probabilities is 99.9, and some values do exceed 1. Or am i missing something?
>
> Here is the test and results:
>
> jatins-mbp:~ jatinkala$ cat test_pdfxy.ncl
> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
>
> x = random_normal ( 0,50, (/96,144/))
> y = random_normal (10,25, (/96,144/))
> pdf2 = pdfxy(x, y, 0, 0, False) ; default is 25 bins
>
>
> print(max(pdf2))
> print(min(pdf2))
> print(sum(pdf2))
> jatins-mbp:~ jatinkala$ ncl test_pdfxy.ncl
> Copyright (C) 1995-2012 - All Rights Reserved
> University Corporation for Atmospheric Research
> NCAR Command Language Version 6.1.0
> The use of this software is governed by a License Agreement.
> See http://www.ncl.ucar.edu/ for more details.
> (0) 1.750578703703704
> (0) 0
> (0) 99.98553240740715
>
>
>
>
>
>
> On 23 Nov 2013, at 2:11 am, Dennis Shea <shea@ucar.edu> wrote:
>
>> The documentation has been changed.
>>
>> The codes for both in contributed.ncl
>>
>> You may look or extract the codes and modify as you wish.
>>
>> %> less $NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl
>> %> vi $NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl
>>
>> search pdfx and/or pdfxy
>>
>> Cheers
>>
>> On 11/21/13 3:30 PM, lsmith@ucar.edu wrote:
>>> Hi gang,
>>> Does anyone know what the units of pdfxy are?
>>> The documentation says, "The units will be percent (%)."
>>> but I'm getting values between 0 and 1, rather than between 0 and 100.
>>> Thanks for any insight!
>>> Cheers,
>>> -Lesley
>>>
>>>
>>>
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Received on Mon Nov 25 13:20:42 2013