843 search results for "maps"

Plot 3D Topographic Map in R

February 7, 2014
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Plot 3D Topographic Map in R

As we all know, there are a lot of packages provide functions to plot maps, such as ggmap, GEOmap, rworldmap and so on. For visualizing 2D topographic map, here is a good example. Besides, 3D topographic map is also easily to be plotted via some excellent functions and packages. The implement methods include but are not limited to … Continue reading...

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In case you missed it: January 2014 roundup

February 5, 2014
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In case you missed them, here are some articles from January of particular interest to R users: Princeton’s Germán Rodríguez has published a useful “Introduction to R” guide, with a focus on linear and logistic regression. The rxDForest function in the RevoScaleR package fits random forests of histogram-binning trees. A tutorial on using the xts package to analyze and...

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Census Open Atlas Project Version Two

February 5, 2014
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Census Open Atlas Project Version Two

This time last year I published the first version of the 2011 Census Open Atlas which comprised Output Area Level census maps for each local authority district. This turned out to be quite a popular project, and I have also extended this to Japan. The methods used to construct the atlases have now been refined,...

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“Show me the way to the next whiskey bar” (The Doors – Alabama Song) – Interactive Location Recommendation using Tableau

February 2, 2014
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“Show me the way to the next whiskey bar” (The Doors – Alabama Song) – Interactive Location Recommendation using Tableau

Since I started using Tableau I’m quite fascinated about the capabilities of this piece of software. Before Christmas I was looking how I could build an interactive visualization that helps me to explore the relationships between different objects in a form that shows which objects are very close to each other according to some similarity measure or vice versa....

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ShareLaTeX now supports knitr

January 31, 2014
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ShareLaTeX (click here to register a free account) is a wonderful and reliable on-line editor for writing and compiling LaTeX documents “in the cloud” as well as working together in real-time (imagine Google Docs supporting LaTeX => you get ShareLaTeX).…Read more ›

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Introducing the ecoengine package

January 30, 2014
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Introducing the ecoengine package

Natural history museums have long been valuable repositories of data on species diversity. These data have been critical for fostering and shaping the development of fields such as biogeography and systematics. The importance of these data repositories is becoming increasingly important, especially in the context of climate change, where a strong understanding of how species responded to past...

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R for spatial analysis tutorial + video

January 30, 2014
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On 24th January 2014 I ran a one day practical course on an "Introduction to Spatial Data Visualisation in R" at the University of Leeds, with the help of demonstrators Rachel Oldroyd and Alistair Leak, who came up from London for the event. The course is designed for people completely new to R, who are especially interested in its spatial...

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GMT topography colours (II)

January 30, 2014
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GMT topography colours (II)

This follows an item about GMT colours. In the meantime I have found a website illustrating the colours, and also the definition files for those palettes. The palette in question is named GMT_relief, and it is defined in a file that is as follows. # $Id: GMT_relief.cpt,v 1.1 2001/09/23 23:11:20 pwessel Exp $ # # Colortable for whole earth...

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R for spatial analysis tutorial + video

January 30, 2014
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On 24th January 2014 I ran a one day practical course on an "Introduction to Spatial Data Visualisation in R" at the University of Leeds, with the help of demonstrators Rachel Oldroyd and Alistair Leak, who came up from London for the event. The course is designed for people completely new to R, who are especially interested in its spatial...

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Importing bathymetry and coastline data in R

January 25, 2014
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Importing bathymetry and coastline data in R

After noticing some frustrating inaccuracies with the high-resolution world coastlines and national boundaries database found in worldHires from the package mapdata (based on CIA World Data Bank II data), I decided to look into other options. Although listed as "depreciated", the data found in NOAAs online "Coastline Extractor" is a big step forward. There...

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