[ncl-talk] could i try dim_kde function before ncl 6.5 released

[Dennis Shea]

Placing the 6.5.0 KDE function documentation onto the publicly available
NCL URL was a mistake on my part.
          https://www.ncl.ucar.edu/Document/Functions/Built-in/dim_kde.shtml
It was meant for NCL's internal draft documentation URL. I used

%> unw dim_kde.xml

instead of

%> unw -t dim_kde.xml

----

If you look at:
          http://www.ncl.ucar.edu/future_release.shtml
there is no mention of the 'dim_kde' function. Hence, 'dim_dke' is not yet
in the development NCL 6.5.0. There is no time estimate of when it will be
included.

---
An NCL script that invokes the KDE fortran subroutine via a shared object
is available. It returns the PDF (ie: "smooth curve"). I can make this
available. Let ncl-talk know if you want this.

There is also an as-yet undocumented NCL language 'hist_binwidth'  that
estimates optimal bin-widths using Silverman's rule-of-thumb for normal and
quantile densities; and, uses the 'dim_kde' function. An NCL script that
invokes the shared object is available for this also.

Regards

On Tue, Jul 25, 2017 at 2:23 PM, LI Qi <liqi123sh at qq.com> wrote:

> Dear NCL,
>
> Is there any way I can try the gaussian kernel density estimation (KDE) (
> https://www.ncl.ucar.edu/Document/Functions/Built-in/dim_kde.shtml)
> before next version released?
> I have sample histograms and would like a smooth curve overlaid.
>
> Thanks and best regards,
> Qi
>
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