4342 search results for "git"

Stan 1.3.0 and RStan 1.3.0 Ready for Action

April 12, 2013
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Stan 1.3.0 and RStan 1.3.0 Ready for Action

The Stan Development Team is happy to announce that Stan 1.3.0 and RStan 1.3.0 are available for download. Follow the links on: Stan home page: http://mc-stan.org/ Please let us know if you have problems updating. Here’s the full set of release notes. v1.3.0 (12 April 2013) ====================================================================== Enhancements ---------------------------------- Modeling Language * forward sampling (random The post Stan...

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Extending RevoScaleR for Mining Big Data – Discretization

April 12, 2013
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Extending RevoScaleR for Mining Big Data – Discretization

by Derek McCrae Norton, Senior Sales Engineer In this second installment of Extending RevoScaleR for Mining Big Data we look at how to use the building blocks provided by RevoScaleR to transform continuous variables into discrete. Motivation: Discretize continuous variables on big data. Discretization is a technique to convert continuous variables into discrete variables, and it is sometimes useful...

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Travis CI for R! (not yet)

April 12, 2013
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Travis CI for R! (not yet)

A few days ago I wrote about Travis CI, and was wondering if we could integrate the testing of R packages into this wonderful platform. A reader (Vincent Arel-Bundock) pointed out in the comments that Travis was running Ubuntu that allows you to install software packages at your will. I took a look at the documentation, and realized...

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Dropbox & R Data

April 11, 2013
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I'm always looking for ways to download data from the internet into R. Though I prefer to host and access plain-text data sets (CSV is my personal favourite) from GitHub (see my short paper on the topic) sometimes it's convenient to get data stored on Dropbox. There has been a change in the way Dropbox...

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Stepwise Regression for Big Data with RevoScaleR

April 11, 2013
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by Joseph Rickert In a recent blog post, Revolution's Thomas Dinsmore announced stepwise regression for big data as a new feature of Revolution R Enterprise 6.2 that is scheduled for general availability later this month. Today, I would like to provide a simple example of doing stepwise regression with rxLinMod() (the RevoScaleR analog of lm()), using a 100,000 row...

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A quick introduction to ggplot2

April 10, 2013
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My friend Jonah asked me to guest lecture in his R seminar aimed at grad students and postdocs in Integrative Biology. I gave Jonah a bunch of topic options ranging from reproducible research with R to data manipulation. The consensus was data visualization so I put together a 2 hour talk/hands on presentation for ggplot2

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Tweaking Movie Subtitles with R

April 10, 2013
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Tweaking Movie Subtitles with R

I use R to fix subtitles that are not in sync with my movies. For the example below the subs were showing too early - so I added some time to each sequence in the srt file. For simplicity I used exactly 1 second in the below example.You'll see that I use my function dl_from_dropbox(), on which I wrote...

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Download Files from Dropbox Programmatically with R

April 10, 2013
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Here is a usefull snippet that I stole from qdap::url_dl to download files from my Dropbox to the working directory.Argument x is the document name and d the document key. dl_from_dropbox require(RCurl) ...

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R and social media

April 10, 2013
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R is a piece of software, but it is also a community. Help community The most visible aspect of the R community is help.  This is also the most useful to new users.  The initial sense of cooperation with R was driven mainly by people helping each other. You don’t need to actively participate in The post R...

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Highlight cells in markdown tables

April 10, 2013
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Highlight cells in markdown tables

Although I have always wanted to add such feature to pander, a recent question on SO urged me to create some helper functions so that users could easily highlight some rows, columns or even just a few cells in a table and export the result to markdown,...

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