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Re: Duplicate lat/long points [message #64738 is a reply to message #64690] Thu, 15 January 2009 08:00 Go to previous messageGo to previous message
Jeremy Bailin is currently offline  Jeremy Bailin
Messages: 618
Registered: April 2008
Senior Member
On Jan 15, 3:54 am, RussellGrew <russell.g...@gmail.com> wrote:
> You make a histogram where the bins are each latitude and also each
> longitude.
>
> It takes some thinking, but it works.

Or just use HIST_ND from the Coyote library, which (unlike the built-
in HIST_2D) will return REVERSE_INDICES.

You might actually find my HIST_ND_WEIGHT useful for this, using your
data values as the weights (it's actually a wrapper to David's
HIST_ND):
http://web.astroconst.org/jbiu/jbiu-doc/math/hist_nd_weight. html

-Jer.
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