1186 search results for "Maps"

Experimenting With R – Point to Point Mapping With Great Circles

March 24, 2014
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Experimenting With R – Point to Point Mapping With Great Circles

I’ve started doodling again… This time, around maps, looking for recipes that make life easier plotting lines to connect points on maps. The most attractive maps seem to use great circles to connect one point with another, these providing the shortest path between two points when you consider the Earth as a sphere. Here’s one

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Accessing global weather model data using the rNOMADS package in R

March 23, 2014
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Accessing global weather model data using the rNOMADS package in R

The rNOMADS package interfaces with the NOAA Operational Model Archive and Distribution System to provide access to 55 operational (i.e. real time and prediction) models describing the state of the ocean and the atmosphere. rNOMADS has been used to get wind and wave data for a real time sailing game, to quantify solar energy available

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Updates on Interactive rCrimemap, rBlocks … and the Packt offer!

March 21, 2014
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Updates on Interactive rCrimemap, rBlocks … and the Packt offer!

Testing rCrimemap as a Self-Contained Web Page I've been learning more about rMaps and rCharts since the LondonR meeting. There are many amazing things you can do with rCharts but it does take time to learn all the tweaks. For example, I just discovered that the rMaps objects (like other rCharts ojects) can be...

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Aggregating spatial points by clusters

March 21, 2014
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Aggregating spatial points by clusters

With ubiquitous collection devices (e.g. smartphones), having too much data may become an increasingly common problem for spatial analysts, even with increasingly powerful computers. This is ironic, because a few short decades ago, too little data was a primary constraint. This tutorial builds on the 'Attribute joins' section of the Creating maps in R tutorial to demonstrate how clusters can be...

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Aggregating spatial points by clusters

March 21, 2014
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Aggregating spatial points by clusters

With ubiquitous collection devices (e.g. smartphones), having too much data may become an increasingly common problem for spatial analysts, even with increasingly powerful computers. This is ironic, because a few short decades ago, too little data was a primary constraint. This tutorial builds on the 'Attribute joins' section of the Creating maps in R tutorial to demonstrate how clusters can be...

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GSoC Proposal 2014: package bdvis: Biodiversity Data Visualizations

March 17, 2014
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GSoC Proposal 2014: package bdvis: Biodiversity Data Visualizations

I am applying for Google Summer of Code 2014 again with “Biodiversity Data Visualizations using R” proposal. We are proposing to take package bdvis to next level by adding more functions and making it available through CRAN. I am posting this idea to get feedback and suggestions from Biodiversity Informatics community.

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GSoC Proposal 2014: package bdvis: Biodiversity Data Visualizations

March 17, 2014
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GSoC Proposal 2014: package bdvis: Biodiversity Data Visualizations

Update: The proposal has been approved for participation in Google Summer of Code 2014. I will post updates on the progress on the blog once the coding phase starts. I am applying for Google Summer of Code 2014 again with “Biodiversity Data Visualizations using R” proposal. We are proposing to take package bdvis to next

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Species occurrence data

March 17, 2014
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Species occurrence data

The rOpenSci projects aims to provide programmatic access to scientific data repositories on the web. A vast majority of the packages in our current suite retrieve some form of biodiversity or taxonomic data. Since several of these datasets have been georeferenced, it provides numerous opportunities for visualizing species distributions, building species distribution maps, and for using it analyses such...

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Moving the North Pole to the Equator

March 15, 2014
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Moving the North Pole to the Equator

I am still working with @3wen on visualizations of the North Pole. So far, it was not that difficult to generate maps, but we started to have problems with the ice region in the Arctic. More precisely, it was complicated to compute the area of this region (even if we can easily get a shapefile). Consider the globe, worldmap <- ggplot()...

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Rcpp 0.11.1

March 14, 2014
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A new minor release 0.11.1 of Rcpp is now on the CRAN network for GNU R; binaries for Debian have also been uploaded. The release fixes a number of bugs that have come up since the 0.11.0 release in January, but also brings some extensions. See t...

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