967 search results for "rstudio"

Testing R Packages

September 29, 2013
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This guy th3james claimed Testing Code Is Simple, and I agree. In the R world, this is not anything new. As far as I can see, there are three schools of R users with different testing techniques: tests are put under package/tests/, and a foo-test.Rout.save from R CMD BATCH foo-test.R; testing is done by comparing foo-test.Rout from R CMD check with your foo-test.Rout.save; R...

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Google Summer of Code experiences

September 27, 2013
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Google Summer of Code experiences

In the followings you could hopefully read an enjoyable summary about my summer. Instead of going out regularly, like in the years before, I spent the majority of my time on R package-development. Before that change obviously there were some previous signs which showed me, life is not what it was before. I don't want to land on a...

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NFL week 3 update

September 25, 2013
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NFL week 3 update

With another NFL week down we are starting to see separation from the contenders and the “better luck next year” teams.  Any paid TV mouthpiece worth their salt will tell you it is a quarterback driven league.  Driven indeed.  In the last post, I dabbled in the simple code of a correlation heat map.  Now, I realize I may...

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“Interactive Graphics with R” Course – Kassel, Germany, October 24

September 19, 2013
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Interactive graphics are a flexible and efficient way to analyze data and to present analysis results. Interactive graphic applications offer queries, selections, highlighting or the modification of graphic parameters. In the environment of R, there are various concepts that make the creation of interactive graphics and applications possible directly out of R (IPlots, googlevis, shiny

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SABR calibration on Shiny

September 16, 2013
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As you already know(if you often use R!!), Shiny allows us to create web applications in R easily. It doesn't require the knowledge of HTML, CSS, javascript, I mean, we don't need to write HTML, CSS and javascript directly to create web application.The...

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Send Mac OS Notifications From R

September 12, 2013
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Send Mac OS Notifications From R

The data retrieval and computation operations are taking longer and longer as we start cranking through more security data and I’ll often let tasks run in the background whilst performing more mundane tasks or wasting time on Twitter. For folks using RStudio Desktop on a Mac, you can use the #spiffy terminal-notifier from Julien Blanchard

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Vectors, Looping, and Performance

September 7, 2013
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Vectors, Looping, and Performance

Vectors are at the heart of R and represent a true convenience. Moreover, vectors are essential for good performance especially when your are working with lots of data. We’ll explore these concepts in this posting. As a motivational example let’s generate a sequence of data from -3 to 3. We’ll also use each point as

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Vectors, Looping, and Performance

September 7, 2013
By
Vectors, Looping, and Performance

Vectors are at the heart of R and represent a true convenience. Moreover, vectors are essential for good performance especially when your are working with lots of data. We’ll explore these concepts in this posting. As a motivational example let’s generate a sequence of data from -3 to 3. We’ll also use each point as

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Running R inside SAP HANA Studio

September 6, 2013
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Running R inside SAP HANA Studio

*DANGER* This is just a silly blog and shouldn't be taken any seriously.*DANGER*Ok...you may wonder...why is Blag writing a silly blog? Well...I'm a Developer Evangelist...and it's my job to keep developers entertained  Also...I have so free time ...

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Monthly R jobs on r-bloggers

September 6, 2013
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R_jobs

R-bloggers is now offering a new “R jobs” post, that will be published (around) once a month. If you are interested in asking for a job to be posted on r-bloggers, please e-mail me at: [email protected] (please write in the subject line the text “R job” so I could have easy e-mail filtering on it ). This first post...

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