Re: [R-sig-Geo] Where is your John Snow's map in "Analysing Spatial Data in R: Why spatial data in R?" available?

2008-07-27 Thread Roger Bivand
On Mon, 28 Jul 2008, Hisaji ONO wrote: Hello. I found in your PDF file, http://www.bias-project.org.uk/ASDARcourse/unit0_slides.pdf. In this document, you used interesting John Snow's "Cholera" map. Is this format ESRI's shapefile? Where is this file available? A GRASS location, and a zip

[R-sig-Geo] Where is your John Snow's map in "Analysing Spatial Data in R: Why spatial data in R?" available?

2008-07-27 Thread Hisaji ONO
Hello. I found in your PDF file, http://www.bias-project.org.uk/ASDARcourse/unit0_slides.pdf. In this document, you used interesting John Snow's "Cholera" map. Is this format ESRI's shapefile? Where is this file available? Once I've created Snow's shapefile(available form this site, http:/