794 search results for "maps"

Names of villages, in France

November 2, 2010
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Names of villages, in France

Keith Briggs published a post here on names of English place name element distribution, which contains almost twenty maps like the one where names ends by -bourn,bourne,burn (here) or -head (there). Actually, it is possible (Robin mentioned that a...

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R is Hot: Part 4

October 28, 2010
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This is Part 4 of a five-part article series, with new parts published each Thursday. You can download the complete article from the Revolution Analytics website. High Quality Graphics, Made Easy R is especially useful for generating charts and graphics, quickly and easily. The ability to create visual plots of complex data is more than just a handy trick;...

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Finding presence data for species distribution modelling (SDM)

October 20, 2010
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Finding presence data for species distribution modelling (SDM)

Getting presence data of species is often not easy and can be a major obstacle when attempting to model the distribution of species. One way is using the GBIF data base. Here I show one way how to obtain presence … Continue reading →

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Hadley on a Postage Stamp?

October 18, 2010
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Hadley on a Postage Stamp?

Yet another reason to check out the ggplot2 wiki!

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Hadley on a Postage Stamp?

October 18, 2010
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Hadley on a Postage Stamp?

Yet another reason to check out the ggplot2 wiki!

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More Graphics with Google earth

October 18, 2010
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More Graphics with Google earth

Dr. Paul, R graphics guru, blessed us with his rendition of transparent contour maps drawn on a google earth image: Cool stuff. I’ll be taking his code and turning it into a function and sharing it back: here is the picture his code creates: That is just plain slick.  While I was looking over his

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Winners of 2010 ggplot2 case study competition

October 18, 2010
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Winners of 2010 ggplot2 case study competition

The winners of this year's ggplot2 case study competition have been announced. I was honoured to be asked to be a judge of the competition this year, but it was a difficult job with so many excellent entries. In the end, the judging panel (which included Heike Hoffman and Hadley Wickham and me) selected three entries which each demonstrated...

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Giss Nightlights Replicated

October 18, 2010
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Giss Nightlights Replicated

UPDATE: holy open source to the rescue. I posted a question yesterday on a idea peter had. Transaprency for overlaying light maps onto google maps. reminds me of the old Quake days. Well, I know John Carmack, John is an old friend of mine, but I’m no John Carmack. Neither am I Dr Paul Murrell.

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Boundary conditions Dominate

October 16, 2010
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Boundary conditions Dominate

In part 1 and part 2 we went over the background of nightlights and the fundamental problem: Station inventory data had errors in it: In Hansen 2010, Hansen writes: “ Station location in the meteorological data records is provided with a resolution of 0.01 degrees of latitude and longitude, corresponding to a distance of about 1

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2010 ggplot2 Case Study Competition Winners

October 16, 2010
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The 2010 ggplot2 Case Study Competition Winners have been announced!  Congratulations to the winners!Grand Prize: David Kahle, Rice UniversityFinalist: Michael Lavine, UMass Amherst Finalist: Claudia Beleites, TU Dresden & Uni....

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