On Sat, 24 Nov 2007, Sisi wrote:
> Dear all,
>
> It seems from the previous mails that you require the objective of the study
> in order to give approprate suggestions.
No. Like all the R lists, this list expects posters to follow the posting
guide, which involves providing reproducable examples
Dear all,
It seems from the previous mails that you require the objective of the study
in order to give approprate suggestions. My research objective is to detect
the spatial, temporal and space-time clustering of the birdflu outbreaks at
the continental level.
Considering your suggestion about t
Hi Sisi,
A three continent study area is very large. It strikes me that border
effects would likely matter, so would probably need to be corrected for.
Although, what the correct border definition is will depend on what your
data relate to. Consequently, the natural question to ask is what kinds
o
On Fri, 23 Nov 2007, Sisi wrote:
Dear all,
Thanks for your quick reply!
For Roger, I checked the sessioninfo and mine is same as yours. My object
size is indeed quite big, it is 275608. So I simplified the polygon
and erased all the small islands, only hold the main land of Asia, Europe
and Af
Dear all,
Thanks for your quick reply!
For Roger, I checked the sessioninfo and mine is same as yours. My object
size is indeed quite big, it is 275608. So I simplified the polygon
and erased all the small islands, only hold the main land of Asia, Europe
and Africa. After I loaded the polygon win
your case (and a lot easier to
implement).
Dan
-Original Message-
From: [EMAIL PROTECTED] on behalf of Roger Bivand
Sent: Wed 11/21/2007 10:48 PM
To: Sisi
Cc: r-sig-geo@stat.math.ethz.ch
Subject: Re: [R-sig-Geo] Large dataset on Ripley's K function
On Thu, 22 Nov 2007, Sisi wrote:
On Thu, 22 Nov 2007, Sisi wrote:
Dear Roger Bivand and Dan Putler,
Currently I'm working on the spatial point data analysis using Kernel
estimation (spatstat), Ripley's K function (spatstat) and space-time K
function (splancs). My research is at the continental level and the region
area include
Dear Roger Bivand and Dan Putler,
Currently I'm working on the spatial point data analysis using Kernel
estimation (spatstat), Ripley's K function (spatstat) and space-time K
function (splancs). My research is at the continental level and the region
area includes Asia, Europe and Africa. The metho