[R] FW: test of spatial dependence?? - ask a geographer (was ask an ecologist)?

2006-12-07 Thread Marshall Feldman
package. For your application, it might be easier to use than R. Go to https://www.geoda.uiuc.edu/. Marshall Feldman Center for Urban Studies and Research The University of Rhode Island -Original Message- From: Milton Cezar Ribeiro [mailto:[EMAIL PROTECTED] Sent

Re: [R] maps. display hierararchical cluster analysis results on a map?

2006-11-03 Thread Marshall Feldman
Besides symbols, size and color ramps come to mind Marsh Feldman -Original Message- From: David Farrar [mailto:[EMAIL PROTECTED] Sent: Thursday, November 02, 2006 9:37 PM To: R-help@stat.math.ethz.ch Subject: [R] maps. display hierararchical cluster analysis results on a map?

Re: [R] Is there any method to do spatial sampling?

2006-10-30 Thread Marshall Feldman
What kind of spatial sampling do you want to do: systematic, stratified, simple random, etc.? What will you be sampling: points, lines, polygons, etc.? Marsh Feldman URI Center for Urban Studies and Research The University of Rhode Island -Original Message- From:

[R] FW: Large datasets in R

2006-07-18 Thread Marshall Feldman
Hi, I have two further comments/questions about large datasets in R. 1. Does R's ability to handle large datasets depend on the operating system's use of virtual memory? In theory, at least, VM should make the difference between installed RAM and virtual memory on a hard drive primarily a

Re: [R] FW: Large datasets in R

2006-07-18 Thread Marshall Feldman
] Sent: Tuesday, July 18, 2006 10:54 AM To: Prof Brian Ripley Cc: Marshall Feldman; r-help@stat.math.ethz.ch Subject: Re: [R] FW: Large datasets in R Hi, I have a related question. How differently do other statistical softwares handle large data? The original post claims that 350 MB is fine on Stata

Re: [R] Chapters

2006-06-12 Thread Marshall Feldman
asked for clarification on the differences between R and S, including the various incarnations of the latter. Thanks again. Marsh Feldman Dr. Marshall Feldman Acting Director of Research and Academic Affairs Center for Urban Studies and Research The University of Rhode Island 80 Washington

[R] Chapters

2006-06-11 Thread Marshall Feldman
I'm surprised this isn't a FAQ, but I searched all over and could not find a reference to it. Chambers (1998) makes repeated references to Chapters in S (e.g., p. 6), but I can find no reference to Chapters in R. Since Chapters were not used in earlier versions of S, I'm wondering if R uses