Awesome! Thank you very much MArcelino!
-
Aurelie Cosandey-Godin
Ph.D. Candidate, Department of Biology
Industrial Graduate Fellow, WWF-Canada
Dalhousie University | Biology Dept. |Halifax, NS, Canada
Email: god...@dal.ca | Web: wormlab.biology.dal.ca
Hi Aurelie,
Try this:
skate.ppp$marks <- data.frame(species=skate.ppp$marks, number=skate$number)
HTH,
MArcelino
At 17:41 17/10/2011, GodinA wrote:
>Hi all, I have a multitype point patterns
>representing 12 different species as
>follow: >marked planar point pattern: 821
>points >mult
You are right -- google pointed me to the example:
http://www.asdar-book.org/book/vis_mod.R
chunk 31, where the function "krige", without variogram model, results
in idw. To avoid confusing scripts that suggest kriging takes place,
package gstat also provides a function idw, which does the sam
Hi Erin,
did you check the book from Roger Bivand -Edzer Pebesma and Gomez-Rubìo:
Applied spatial data analysis with R?
There is some short explanation of how the algorithm work and just one record
of code.
If you want I think I can send you some line of codes as examples.
Giuseppe
_
Hi all,
I have a multitype point patterns representing 12 different species as
follow:
>marked planar point pattern: 821 points
>multitype, with levels = 8890 91 92 93 94 96
>98 99 100 102 107
>window: rectangle = [-60, -45] x [40, 56] units
Believe it or not, the Wikipedia entry has the formula listed. You can
easily try it out yourself. It's such a simple procedure that it can
be done by hand.
http://en.wikipedia.org/wiki/Inverse_distance_weighting
Pete
On 10/16/11, Hodgess, Erin wrote:
> Dear R Sig Geo People:
>
> Here is prob
On 10/16/11, Hodgess, Erin, wrote:
> Dear R Sig Geo People:
>
> Here is probably a dumb question, so please forgive me in advance (or
> swear, whatever is most appropriate): could someone recommend a good
> reference on IDW that has a numeric example, please?
Sure, check out Paul Bolstad's GIS F
Hi,
I'm not a Windows/Cygwin user myself. So I can't really provide with
more advice than I already have.
good luck,
Paul
On 10/17/2011 09:03 AM, zhijie zhang wrote:
> Dear Paul,
> I can understand the warnings, but donot know exactly how to fix this.
> Could you please give me more instruct
spatstat::nndist?
2011/10/17 Paul Hiemstra
> On 10/15/2011 02:57 PM, Sandeep Patil wrote:
> > Hello all
> >
> > I have about 4500 spatial points which are irregularly spaced...
> >
> > What is want to do is to replace points that are clustered very near
> >
> > each other by one point ...i.e say
On 10/15/2011 02:57 PM, Sandeep Patil wrote:
> Hello all
>
> I have about 4500 spatial points which are irregularly spaced...
>
> What is want to do is to replace points that are clustered very near
>
> each other by one point ...i.e say the distance betweeen Point A & Point B
>
> is less than a th
On 10/16/2011 02:10 PM, zhijie zhang wrote:
> cygwin warning:
> MS-DOS style path detected:
> C:/PROGRA~1/R/R-213~1.2/bin/i386/HDF5~1.RCH/hdf5/libs
> Preferred POSIX equivalent is:
> /cygdrive/c/PROGRA~1/R/R-213~1.2/bin/i386/HDF5~1.RCH/hdf5/libs
> CYGWIN environment variable option "nodosfile
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