4141 search results for "git"

More Shiny Goodness – Tinkering With the Ergast Motor Racing Data API

December 4, 2012
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More Shiny Goodness – Tinkering With the Ergast Motor Racing Data API

I had a bit of a play with Shiny over the weekend, using the Ergast Motor Racing Data API and the magical Shiny library for R, that makes building interactive, browser based applications around R a breeze. As this is just a quick heads-up/review post, I’ll largely limit myself to a few screenshots. When I

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Reading/Writing Stata (.dta) files with Foreign

December 4, 2012
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Reading/Writing Stata (.dta) files with Foreign

Oftentimes we find ourselves collaborating with others who might not use R or prefer to use Stata to clean and manage their data. Luckily, there is the foreign package that permits handling data of different types (SAS, SPSS, Stata, etc.) within the R...

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project euler: problem 62

December 3, 2012
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The cube, 41063625 (3453), can be permuted to produce two other cubes: 56623104 (3843) and 66430125 (4053). In fact, 41063625 is the smallest cube which has exactly three permutations of its digits which are also cube.Find the smallest cube for which exactly five permutations of its digits are cube. Read...

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pbdR Updates – Distributed lm.fit() and More

December 3, 2012
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Over the weekend, we updated all of the pbdR packages currently available on the CRAN.  The updates include tons of internal housecleaning as well as many new features. Notably, pbdBASE_0.1-1 and pbdDMAT_0.1-1 were released, which contain lm.fit() methods.  This function in particular has been available at my github for over a month, but didn't make its way to the...

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To Transform or Not To Transform

December 3, 2012
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Many of the forecasting packages in R requires a time series that is covariance stationary. For those who are not familiar with this term, there is an excellent online textbook by Hyndman and Athanasopoulos, Forecasting: Principles and Practice. Click ...

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Italian Bio R Day 2012 – Slides on Reproducible Research using R and Bioconductor

December 3, 2012
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Italian Bio R Day 2012 – Slides on Reproducible Research using R and Bioconductor

Thanks to Parco Tecnologico Padano (PTP), I was invited to speak at the first Italian Bio R Day that was held in Lodi on 30 November 2012. It was a nice opportunity to talk and listen about different aspects of R from practitioners with different backg...

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Scaling legislative roll call votes with wnominate

December 3, 2012
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Scaling legislative roll call votes with wnominate

We’ve used NOMINATE scaling data before here at is.R(), but today’s Gist shows, in just a few lines of code, how to download up-to-date roll call data and run those votes through Keith Poole (et. al.)’s DW-NOMINATE procedure. It&#82...

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analyze the basic stand alone medicare claims public use files (bsapufs) with r and monetdb

December 3, 2012
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the centers for medicare and medicaid services (cms) took the plunge.  the famous medicare 5% sample has been released to the public, free of charge.  jfyi - medicare is the u.s. government program that provides health insurance to 50 million...

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forecast package v4.0

December 2, 2012
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forecast package v4.0

A few days ago I released version 4.0 of the forecast package for R. There were quite a few changes and new features, so I thought it deserved a new version number. I keep a list of changes in the Changelog for the package, but I doubt that many people look at it. So for the record, here are...

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The State of Statistics in Julia

December 2, 2012
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Updated 12.2.2012: Added sample output based on a suggestion from Stefan Karpinski. Introduction Over the last few weeks, the Julia core team has rolled out a demo version of Julia’s package management system. While the Julia package system is still very much in beta, it nevertheless provides the first plausible way for non-expert users to

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