5226 search results for "git"

Overlaying species occurrence data with climate data

April 22, 2014
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Overlaying species occurrence data with climate data

One of the goals of the rOpenSci is to facilitate interoperability between different data sources around web with our tools. We can achieve this by providing functionality within our packages that converts data coming down via web api's in one format (often a provider specific schema) into a standard format. The new version of rWBclimate that...

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Notes from the Tokyo R User Group meeting, 17 April 2014

April 21, 2014
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Notes from the Tokyo R User Group meeting, 17 April 2014

Last Thursday I had the pleasure to attend the Tokyo R user group meeting. And what a fun meeting it was! Over 40 R users had come together in central Tokyo. Yohei Sato, who organises the meetings, allowed me to talk a little about the recent developme...

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RStata: Funny or just annoying?

April 21, 2014
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RStata: Funny or just annoying?

Okay okay.  The joke is up.  Besides likely necessitating an emergency call to from the Stata Management Team to the Stata Legal Team, my post on April 1st of 2014 entitled "RStata: Stata Fully Mapped into R", was intended as a practical joke...

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Singleton Remover CSV v0.3

April 21, 2014
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Singleton Remover CSV v0.3

I created a small program called Singleton Remover CSV to help researchers process files quickly that might otherwise take a long time to be handled by hand. The program simply compares ID values given in the first two columns of a .csv file, saves any...

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OpenCPU release 1.3 and 1.4

April 20, 2014
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OpenCPU release 1.3 and 1.4

After a few months of testing we present OpenCPU versions 1.3 and 1.4. These releases do not introduce any major changes in the OpenCPU HTTP API but focus entirely on performance, reliability and security to support long running servers. The on...

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Testing for Linear Separability with Linear Programming in R

April 19, 2014
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Testing for Linear Separability with Linear Programming in R

For the previous article I needed a quick way to figure out if two sets of points are linearly separable. But for crying out loud I could not find a simple and efficient implementation for this task. Except for the perceptron and … Continue reading → The post Testing for Linear Separability with Linear Programming in R appeared first...

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Play 2048… using R!

April 19, 2014
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Play 2048… using R!

I've lost about 100 hours over the past week to the black hole of 2048. In an attempt to extricate myself, I thought I'd try writing an R script to play for me. While there are already a ton of great algorithms for the game, I haven't...

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Old tails: a crude power law fit on ebook sales

April 18, 2014
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Old tails: a crude power law fit on ebook sales

We use R to take a very brief look at the distribution of e-book sales on Amazon.com. Recently Hugh Howey shared some eBook sales data spidered from Amazon.com: The 50k Report. The data is largely a single scrape of statistics about various anonymized books. Howey’s analysis tries to break sales down by declared category and Related posts:

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Date formating in R

April 18, 2014
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As I often manipulate time series from different sources, I rarely come across the same date format twice. Having to reformat the dates every time is a real waste of time because I never remember the syntax of the as.Date function. I put below a few examples that turn strings into standard R date format.

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Reot: Empirical Orthogonal Teleconnections in R

April 18, 2014
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Reot: Empirical Orthogonal Teleconnections in R

We are happy to introduce Reot, an R package designed for empirical orthogonal teleconnection (EOT) analysis of gridded geo-scientific space-time data based on the method by van den Dool et al. (2000). EOT denotes a regression-based approach to decompose spatio-temporal … Continue reading →

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