-------- Messaggio Originale --------
Oggetto: Re: [Qgis-user] HomeRange plugin updated
Data: Thu, 09 Apr 2009 10:31:42 +0200
Da: Anne Ghisla <
a.ghisla@...>
A: John C. Tull <
john.tull@...>
CC:
cavallini@..., qgis-user <
qgis-user@...>,
Animal Movement <
animov@...>
Referenze: <
49DC4439.5060700@...>
<
11762C2B-A9B2-4D8D-A50F-E5B29C0B5A84@...>
John C. Tull ha scritto:
> I've worked out the OS X linking issues. When I run on a modest dataset,
> I now receive the following error. I'd be happy to test with another
> shapefile of points if it will help.
>
> An error has occured while executing Python code:
>
> Traceback (most recent call last):
[cut]
> RRuntimeError: Error in kernelUD(dd[, c("X", "Y")], dd[, "ID"], h =
> "LSCV", grid = grid) :
> At least 5 relocations are required to fit an home range
this is a normal R error - to compute homeranges, subsets of points
determined by the attribute in the colum you chose (for esample animal
ID, month, year...) must contain at least 5 points. Even one subset with
<5 points raises this error.
I suggest to group points by another column.
On my side, I will change the code to avoid Python error, and raise a
info window instead.
many thanks and best regards,
Anne
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