Posts Tagged ‘ maps ’

A Short Example with R-Package osmar..

January 26, 2012
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A Short Example with R-Package osmar..

Following up my last post in which I praised the capabilities of the osmar-package I give a short example what can be done.ps: You can also find this example at GitHub HERE.library(osmar) # this pulls the data from the OSM-Api:mydistrict <- get_osm(...

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Maps with R, and polygon boundaries

December 21, 2011
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Maps with R, and polygon boundaries

With R, it is extremely easy to draw maps. Let us start with something simple, like French regions. Baptiste mentioned on his blog that shapefiles can be downloaded from http://ign.fr/ website. Hence, if you extract the zip file, it is possible to ...

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Some Fun with googleVis – Mapping Blog Visits on Google Map

December 13, 2011
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Some Fun with googleVis – Mapping Blog Visits on Google Map

See stand-alone code to produce this map below.Read more »

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Producing Google Map Embeds with R Package googleVis

December 1, 2011
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Producing Google Map Embeds with R Package googleVis

(1) for producing html code for a Google Map with R-package googleVis do something like: library(googleVis)df <- data.frame(Address = c("Innsbruck", "Wattens"), Tip = c("My Location 1", "My Location 2"))mymap <- gvisMap(df, "Addre...

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Retrieve GBIF Species Occurrence Data with Function from dismo Package

November 28, 2011
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Retrieve GBIF Species Occurrence Data with Function from dismo Package

..The dismo package is awesome: with some short lines of code you can read & map species distribution data from GBIF (the global biodiversity information facility) easily:Read more »

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A Simple Example for the Use of Shapefiles in R

October 24, 2011
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A Simple Example for the Use of Shapefiles in R

A simple example for drawing an occurrence-map (polygons with species' points) with the R-packages maptools and sp using shapefiles.HERE is the example data.Read more »

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Nice Species Distribution Maps with GBIF-Data in R

September 23, 2011
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Nice Species Distribution Maps with GBIF-Data in R

Here's an example of how to easily produce real nice distribution maps from GBIF-data in R with package maps... Read more »

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Plotting Maps with R

April 26, 2011
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Plotting Maps with R

I stumbled upon this tutorial while not studying and I thought it would be fun to try and plot maps of the San Francisco Bay Area household income, education, population density, poverty, etc...To do this I needed a Shapefile for the Bay Area zip codes...

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Good Looking Maps in R

April 21, 2011
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Good Looking Maps in R

I haven't yet tried this, but it looks like a nice package.In one recent project I needed to draw several maps and visualize different kinds of geographical data on it. I found the combination of R/ggplot/maps package extremely flexible and powerful,...

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Example 8.31: Choropleth maps

March 22, 2011
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Example 8.31: Choropleth maps

In our book, we show a simple example of a map (section 6.4.2) where we read the boundary files as data sets and use SAS and R to plot them. But both SAS and R have complex functionality for using pre-compiled map data. To demonstrate them, we'll sho...

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