2314 search results for "map"

googleVis 0.2.17 is released: Displaying earth quake data

August 13, 2012
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googleVis 0.2.17 is released: Displaying earth quake data

The next version of the googleVis package has been released on the project site and CRAN. This version provides updates to the package vignette and a new example for the gvisMerge function. The new sections of the vignette have been featured on this ...

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In case you missed it: July 2012 Roundup

August 10, 2012
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In case you missed them, here are some articles from June of particular interest to R users. The Environmental Performance Index website uses R to rank countries by measures like environmental health and ecosystem vitality. A log-linear regression in R predicted the gold-winning Olympic 100m sprint time to be 9.68 seconds (it was actually 9.63 seconds). Some R-related talks...

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2012 Summer Olympics: Home Court Advantage – How Will the Brits Perform?

August 9, 2012
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2012 Summer Olympics: Home Court Advantage – How Will the Brits Perform?

The Olympics are a big deal on a global scale. How big? Perhaps Paula Radcliffe (an English long distance runner) said it best: "I have achieved a lot and I'm grateful for that - I'm just a bit greedy because I want to add the Olympics. It's...

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Exploring distributions of Ensatina salamander subspecies using rvertnet by Neil Kelly

August 9, 2012
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Exploring distributions of Ensatina salamander subspecies using rvertnet by Neil Kelly

This week we have a guest blog post by Neil Kelley Last week, I stumbled on Vijay’s blog post demonstrating his new package rvertnet. Although I am a paleontologist, some of my research involves anatomical comparison between extinct species and extant relatives or ecological analogs, so I have some experience using VertNet to track down

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Exploring distributions of Ensatina salamander subspecies using rvertnet by Neil Kelly

August 9, 2012
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Exploring distributions of Ensatina salamander subspecies using rvertnet by Neil Kelly

This week we have a guest blog post by Neil Kelley Last week, I stumbled on Vijay’s blog post demonstrating his new package rvertnet. Although I am a paleontologist, some of my research involves anatomical comparison between extinct species and extant relatives or ecological analogs, so I have some experience using VertNet to track down

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If you are into large data and work a lot with package ff

August 8, 2012
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If you are into large data and work a lot with package ff

The ff package is a great and efficient way of working with large datasets.  One of the main reasons why I prefer to use it above other packages that allow working with large datasets is that it is a complete set of tools. When comparing it to the other open source 'bigdata' packages in R It is not...

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Manipulating Data Frames Using sqldf – A Brief Overview

August 8, 2012
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By Josh MillsIntroductionFor those who are learning R and who may be well-versed in SQL, the sqldf package provides a mechanism to manipulate R data frames using SQL. Even for experienced R programmers, sqldf can be a useful tool for data manipulation. This site provides a useful introduction to SQL. The...

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Customizing ggplot graphs

August 7, 2012
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There are many things I love about the R package ggplot2. For the most part, they fall into two categories:The "grammar of graphics" approach builds a hierarchical relationship between the data and the graphic, which creates a consistent, int...

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Vim-R-plugin: Installation

August 6, 2012
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Vim-R-plugin: Installation

On Ubuntu 12.04, I took to the following steps to install Vim-R-plugin: First I had to install timux: sudo apt-get installl tmux Having already installed vim-pathogen, I used git to clone to install vim-r-plugin and vim-screen plugin, which is also … Continue reading →

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Provincial Monthly Rainfall of the Philippines from WORLDCLIM

August 6, 2012
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Provincial Monthly Rainfall of the Philippines from WORLDCLIM

Preparing for a future conference on climate change, I downloaded and extracted average monthly rainfall in the Philippines from worldclim.org. Using maptools, raster, and animation package in R, I produced an animation of average monthly rainfall of t...

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