[ncl-talk] stat_despersion

[Buzan, Jonathan]

Hello,

I’ve used that function a bunch. If you only want 10th and 90th percentile, you’ll want to use:

qsort
Which will sort your data within a single grid cell from lowest to highest.

And then grab the specific lines of code for 10th and 90th percentiles from the stat_dispersion function in:
$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl

If you look at the function, you’ll see that it uses qsort, then goes step by step through calculating all the different applications.

Cheers,
-Jonathan



On Jun 29, 2021, at 5:14 PM, ali mughal via ncl-talk <ncl-talk at mailman.ucar.edu<mailto:ncl-talk at mailman.ucar.edu>> wrote:

Dear NCL community

In the following ncl function

http://www.ncl.ucar.edu/Document/Functions/Contributed/stat_dispersion.shtml

Is it possible to use 10th and 90th percentile values only ?

Also can these values be used to develop a spatial map?

For example if I want to find the 10th and  90th percentile of air temperature within the urban grid cells only.

Can anyone share an example script or point me to any web resource will be appreciated.

Thanks in advance
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