803 search results for "Maps"

Discrete colors in ggplot

September 1, 2012
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Discrete colors in ggplot

Have you ever wanted an easy way to generate continuous color pallettes for a discrete factor? I came across a question over on Stackoverflow about how add color to a ggplot figure. I often find myself with lot’s of categories that are discrete when I want a continuous color plot. This can be achieved by writing a quick...

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Border bias and weighted kernels

August 31, 2012
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Border bias and weighted kernels

With Ewen (aka @3wen), not only we have been playing on Twitter this month, we have also been working on kernel estimation for densities of spatial processes. Actually, it is only a part of what he was working on, but that part on kernel estimation...

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Border bias and weighted kernels

August 31, 2012
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Border bias and weighted kernels

With Ewen (aka @3wen), not only we have been playing on Twitter this month, we have also been working on kernel estimation for densities of spatial processes. Actually, it is only a part of what he was working on, but that part on kernel estimation has been the opportunity to write a short paper, that can now be downloaded on hal. The problem...

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A Chlorpleth Map of Free and Reduced Price Lunch in R

August 26, 2012
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A Chlorpleth Map of Free and Reduced Price Lunch in R

Charles Blow has an excellent op-ed in the New York Times about public education this week. The most important point he makes is that the defunding of public education is coming at precisely the time when American school children are most vulnerable:No...

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Commandeering a map from PDF or EPS, using Inkscape and R

August 24, 2012
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Commandeering a map from PDF or EPS, using Inkscape and R

I love Nathan Yau’s tutorial on making choropleths from a SVG file. However, if you don’t have a SVG handy already and instead you want to repurpose a map from another vector format such as PDF or EPS, there are … Continue reading →

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2014 Winter Olympics: Home Court Advantage – Russia

August 22, 2012
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2014 Winter Olympics: Home Court Advantage – Russia

"Russia is a riddle wrapped in a mystery inside an enigma."  -- Winston Churchill, radio address in 1939 A couple of weeks ago, Graph of the Week published an article describing the significant improvement in medals won by the host...

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Creating beautiful reports from R with knitr

August 21, 2012
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Creating beautiful reports from R with knitr

People use the R language every day to create the elements of reports: tables, charts, analyses, and forecasts. But assembling all of that information into a print-ready document laid out with text can a hassle. You can cut-and-paste all of the elements into Word, but then what do you do when the data file gets updated at the last...

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In case you missed it: July 2012 Roundup

August 10, 2012
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In case you missed them, here are some articles from June of particular interest to R users. The Environmental Performance Index website uses R to rank countries by measures like environmental health and ecosystem vitality. A log-linear regression in R predicted the gold-winning Olympic 100m sprint time to be 9.68 seconds (it was actually 9.63 seconds). Some R-related talks...

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2012 Summer Olympics: Home Court Advantage – How Will the Brits Perform?

August 9, 2012
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2012 Summer Olympics: Home Court Advantage – How Will the Brits Perform?

The Olympics are a big deal on a global scale. How big? Perhaps Paula Radcliffe (an English long distance runner) said it best: "I have achieved a lot and I'm grateful for that - I'm just a bit greedy because I want to add the Olympics. It's...

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Exploring distributions of Ensatina salamander subspecies using rvertnet by Neil Kelly

August 9, 2012
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Exploring distributions of Ensatina salamander subspecies using rvertnet by Neil Kelly

This week we have a guest blog post by Neil Kelley Last week, I stumbled on Vijay’s blog post demonstrating his new package rvertnet. Although I am a paleontologist, some of my research involves anatomical comparison between extinct species and extant relatives or ecological analogs, so I have some experience using VertNet to track down

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