1377 search results for "maps"

Lots of maps using R

October 21, 2009
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Lots of maps using R

http://r-spatial.sourceforge.net/gallery/#fig01.RVery helpful!

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Locate the position of CRAN mirror sites on a map using Google Maps

August 5, 2009
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Locate the position of CRAN mirror sites on a map using Google Maps

Inspired by this post (suggested here by the always useful Revolutions blog), I attempted to plot the position of CRAN mirrors on a map taking advantage of the nice R package RgoogleMaps (check the dependencies!). Below the code: library(XML) # downlo...

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NREGA and Indian maps in R

March 8, 2009
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NREGA and Indian maps in R

A few days ago I was reading an article by Jean Drèze and his colleagues on how the first two years of National Rural Employment Guarantee Act (NREGA) has progressed (There was another article by Drèze on NREGA in 2007). The NREGA is empowering the rural people in a radical way: NREGA programmes

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maps of Poland in R

June 23, 2008
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maps of Poland in R

Bogdan Taranta (website in Polish) is developing a set of functions for drawing administrative maps of Poland. I wrote similar functionality for myself already some time ago, but only for voivodships, i.e. top-level administrative units, and also in a rather low resolution. Bogdan’s contribution seems to contain all levels, at high resolution, and including the

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Growth of DataFest over the years

May 23, 2017
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Growth of DataFest over the years

In a previous post, I introduced DataFest and how one can streamline the organization of this event using Google Forms and tools from the tidyverse. In this post, I’ll walk through building a Shiny app that demonstrates the growth of DataFest over the years, both in terms of host locations and participating institutions, as well as in terms...

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Arranging subplots with ggplot2

May 21, 2017
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Arranging subplots with ggplot2

For my recently published paper, I produced not-so-standard figures that show the two step decomposition used in the analysis. Have a look:

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How to interpret correspondence analysis plots (it probably isn’t the way you think)

May 19, 2017
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How to interpret correspondence analysis plots (it probably isn’t the way you think)

Correspondence analysis is a popular data science technique. It takes a large table, and turns it into a seemingly easy-to-read visualization. Unfortunately, it is not quite as easy to read as most people assume. In How...

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On indexing operators and composition

May 18, 2017
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On indexing operators and composition

In this article I will discuss array indexing, operators, and composition in depth. If you work through this article you should end up with a very deep understanding of array indexing and the deep interpretation available when we realize indexing is an instance of function composition (or an example of permutation groups or semigroups: some … Continue...

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An Introduction to Spatial Data Analysis and Visualization in R

May 17, 2017
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An Introduction to Spatial Data Analysis and Visualization in R

The Consumer Data Research Centre, the UK-based organization that works with consumer-related organisations to open up their data resources, recently published a new course online: An Introduction to Spatial Data Analysis and Visualization in R. Created by James Cheshire (whose blog Spatial.ly regularly features interesting R-based data visualizations) and Guy Lansley, both of University College London Department of Geography,...

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Mapping Quandl Macroeconomic Data

May 9, 2017
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In previous posts, we built a map to access global ETFs and a simple Shiny app to import and forecast commodities data from Quandl. Today, we will begin a project that combines those previous apps. Our end goal is to build an interactive map to access macroeconomic data via Quandl, allowing the user to choose an economic...

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