[ncl-talk] Query about probability density functions

Dennis Shea shea at ucar.edu
Mon Sep 9 12:15:51 MDT 2024


>From the *pdfx
<https://www.ncl.ucar.edu/Document/Functions/Contributed/pdfx.shtml>*
documentation:  "The PDF units are percent [%]."

Divide by 100.

On Mon, Sep 9, 2024 at 10:26 AM Giorgio Graffino via ncl-talk <
ncl-talk at mailman.ucar.edu> wrote:

> Hello NCL experts,
>
>
>
> I'm using pdfx to compute probability density functions (
> https://www.ncl.ucar.edu/Document/Functions/Contributed/pdfx.shtml). I
> noticed that the cumulative density functions sum up to 100 in NCL, instead
> of 1 as per definition. Why is that? How can I normalize them back to 1?
>
>
>
> Thanks for your help.
>
>
>
> Cheers,
>
> Giorgio
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