3752 search results for "MAP"

Best way to draw heatmap for publication

July 8, 2016
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Here are two tips I can share if you were also working on a big dataset towards a high quality heatmap:1. Don't generate PDF using pheatmap() or heatmap.2() as (i) the file is unnecessarily SUPER large if you have a lot of data points in the heatmap, s...

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Creating inset maps using spatial objects

July 5, 2016
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Creating inset maps using spatial objects

This post explains how to create an inset map with spatial objects using the sp- and raster-package.

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re: Making Maps in R, volume 2: ggplot

July 2, 2016
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re: Making Maps in R, volume 2: ggplot

Jeremy Yoder wrote a wrote a post on The Molecular Ecologist about plotting location data in ggplot. It is a very informative post. However, I disagree with one (minor) aesthetic choice. The species in his figure have different colors and shapes. I am ...

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Animated world inequality map

Animated world inequality map

In my last post I had a first look (for me) at Estimated Household Income Inequality data from the University of Texas Inequality Project. These data came to my attention when Professor James K. Galbraith used them in his keynote presentation to the 2016 New Zealand Association of Economists conference. Some of the slides...

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Reproducing the Washington Post housing price maps with R and ggplot2

June 29, 2016
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Reproducing the Washington Post housing price maps with R and ggplot2

This week, Emily Badger and Darla Cameron at The Washington Post’s Wonkblog published an article (linked here) discussing data from the Federal Housing Finance Agency that suggest that the greatest increase in house prices in large metropolitan areas tend to be found in urban rather than suburban areas. Wonkblog published a series of maps illustrating...

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Exploring tourism in France with interactive maps

June 28, 2016
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Exploring tourism in France with interactive maps

Since summer is coming and meaning vacations we are going to explore the tourism in France. To do so, we are going to explore the number of hotel room per deparements (a small administrative area in France) and see if somes show more tourist appeal than others. 1.The data: To do this analysis, we are gong

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New Facebook Group: “R, Maps and Open Data”

June 21, 2016
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New Facebook Group: “R, Maps and Open Data”

Today I am happy to announce a new Facebook group: R, Maps and Open Data. If you like this blog, then you should join this group! It’s free to join. This is my first time creating a Facebook group, and I am viewing it as both an experiment and an outgrowth of this blog. Here The post

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Mapping US Counties in R with FIPS

June 16, 2016
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Mapping US Counties in R with FIPS

Anyone who’s spent any time around data knows primary keys are your friend. Enter the FIPS code. FIPS is the Federal Information Processing Standard and appears in most data sets published by the US government. Name Matching The map below is an example as the “wrong way” to do something like this. This map uses

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Interactive maps and charts in R

June 10, 2016
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Interactive maps and charts in R

Randy George, an expert in web map applications, has been fascinated with computer graphics (especially maps) since the early '80s. For much of that time, he says, the technology for mapping has been pretty static: The main stay of web mapping applications for the last couple of decades has been three tier: Model – SQL, View – web UI,...

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ggplot2: Mapping vs Setting

June 9, 2016
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Rplot16

Guest post by Kirill Eremenko  Hi there! My name is Kirill Eremenko and I teach R on Udemy. In this quick article I wanted to share with you a valuable tip we cover off in my course R Programming A-Z™ on Udemy (click here to get a 30% discount on the course). Many R users are familiar with the ggplot2 package by...

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