713 search results for "maps"

Timeline Maps with googleVis & Twitter Bootstrap Carousel (& updated Slidify)

November 14, 2012
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I've wanted to create timeline maps with interactive googleVis Geomaps for a while. These would be a nice way to quickly show the spatial distribution of some data over time. It turns out that it's pretty easy to do with a plugin for Twitter Bootstra...

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Use GBIF and googleVis to Make Maps with Species Occurrence Data

September 24, 2012
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Use GBIF and googleVis to Make Maps with Species Occurrence Data

This is a short follow up on THIS posting.. I will briefly show how to use the dismo- and the googeVis package to plot species occurrences on an interactive Google map, like the one below (HERE is the R-script)MapID2ce4348e653

2012-5 Voronoi Treemaps in R

September 19, 2012
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A Voronoi Treemap is a visualisation tool for displaying data with a hierarchical structure.  This article describes an open source implementation of Voronoi Treemaps in the R language and environment for statistical computing and graphics.  The article includes example usage … Continue reading →

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R: Isarithmic Maps of Election Data (1/2)

September 12, 2012
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R: Isarithmic Maps of Election Data (1/2)

In this tutorial I will show

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ggplot2 maps with insets

August 22, 2012
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ggplot2 maps with insets

Here's a quick demo of creating a map with an inset within it using ggplot. The inset is achieved using the gridExtra package.Install libraries, set directory, read filesetwd("/Users/ScottMac/Dropbox/CANPOLIN_networks_ms/data") # change ...

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Map biodiversity records with rgbif, maps and ggplot2 packages in R

July 9, 2012
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Map biodiversity records with rgbif, maps and ggplot2 packages in R

Global Biodiversity Information Facility or GBIF is an international consortium working towards making Biodiversity information available through single portal to everyone.  GBIF with its partners are working towards mobilizing data, developing data and metadata standards, developing distributed database system and making the data accessible through APIs. At this point this largest single window data source covering wide spectrum of taxa and

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Maps of changes in area boundaries, with R

June 22, 2012
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Maps of changes in area boundaries, with R

Today a coworker needed some maps showing boundary changes. I used what I learned last week in the useR 2012 geospatial data course to make a few simple maps in R, overlaid on OpenStreetMap tiles. I’m posting my maps and … Continue reading →

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3D Maps in R

June 16, 2012
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3D Maps in R

Talking about elevation, one can also plot a wire frame 3D view of an area using the persp function. Using the same data source from my previous post, 3D view of Marinduque, Philippines was produced using the following code below: ################...

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Installing R’s maps package on Ubuntu

April 16, 2012
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Installing R’s maps package on Ubuntu

I recently ran into trouble trying to install the R maps package on Ubuntu 10.04.  Here's the error I was getting: ** arch - gcc -std=gnu99 -O3 -pipe  -g    Gmake.c   -o GmakeGmake.c: In function ‘get_lh’:Gmake.c:...

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Installing R’s maps package on Ubuntu

April 16, 2012
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I recently ran into trouble trying to install the R maps package on Ubuntu 10.04.  Here's the error I was getting: ** arch - gcc -std=gnu99 -O3 -pipe  -g    Gmake.c   -o GmakeGmake.c: In function ‘get_lh’:Gmake.c:111: warning: cast from pointer to integer of different sizeGmake.c:113: warning: cast from pointer to integer of different sizeGmake.c: In function ‘main’:Gmake.c:211: warning: cast from...

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