Monthly Archives: May 2010

Knowing whether a time-series has been differenced appropriately in order to make it stationary

May 7, 2010
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Hello everybody,Today I would like to make you learn a simple method (and of-course using R) how to identify whether a time-series has been differenced appropriately while making it stationary.Suppose, you have made a series stationary by differencing it, now in order to know whether it is neither over nor under differenced subject the current series against next level...

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Knowing whether a time-series has been differenced appropriately in order to make it stationary

May 7, 2010
By

Hello everybody,Today I would like to make you learn a simple method (and of-course using R) how to identify whether a time-series has been differenced appropriately while making it stationary.Suppose, you have made a series stationary by differencing it, now in order to know whether it is neither over nor under differenced subject the current series against next level...

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A new site for the R community: inside-R.org

May 6, 2010
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A new site for the R community: inside-R.org

We've just launched a beta/preview of a new website for the R community, inside-R.org. The site is sponsored by Revolution Analytics (who funded its development and maintenance), but it's designed for anyone who uses or has in an interest in the R Project generally. So, you might ask, why another community site for R, when there's already several R...

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Bayes vs. SAS

May 6, 2010
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Bayes vs. SAS

Glancing perchance at the back of my Amstat News, I was intrigued by the SAS advertisement Bayesian Methods Specify Bayesian analysis for ANOVA, logistic regression, Poisson regression, accelerated failure time models and Cox regression through the GENMOD, LIFEREG and PHREG procedures. Analyze a wider variety of models with the MCMC procedure, a general purpose Bayesian

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R: choose file dialog box

May 6, 2010
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Needed this one recently, it pops up a window to pick a file to be used by r, then reads the contents into myData:myFile

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How I came to R

May 6, 2010
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J. D. Long will be giving an introduction to R - how he got into it when doing data analysis and what drew him to use it instead of complicated excel models.

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Revolution R Enterprise now free to academics

May 6, 2010
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Unlike Revolution R Community which is 100% free to everyone, our commercial-grade Revolution R Enterprise distribution bundles R with proprietary components from our development team, which are normally available only to paying subscribers. (Those subscriptions are the way we get income to keep the company going.) Those components include our full ParallelR libraries for parallel programming, enhanced for 64-bit...

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Exporting R output to MS-Word with R2wd (an example session)

May 6, 2010
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Creating reports is one of the basic tasks in data analysis. R provides numerous functions and packages to export it’s (beautiful) output and help compile it into a report. In this post I will present one such (basic) solution for Windows OS users for exporting R output into Microsoft Word using the R2wd (package). There are more ways and...

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REvolution Computing is now Revolution Analytics

May 6, 2010
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So, as you may have noticed from the new banner here at the blog, we've changed our name to Revolution Analytics. It's still the same company and the same people, and still focused around the R Project, but now with a fresh new look and lots of exciting news. I'll be blogging about our new academic program, our new...

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R is like Ruby

May 6, 2010
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R is like Ruby

There are many similarities between R and Ruby. - Learning both has been fun - "dude, i'm playing with R and love it." The excitement doesn't end!I'm totally addicted. - I keep discovering new and nifty things. Every time I hit an interesting pr...

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