2859 search results for "twitteR"

Salesforce.com and Analytics

September 5, 2011
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Salesforce.com and Analytics

Salesforce.com has become one of the most successful cloud applications. I am quite astounded by it’s mega hit penetration into myriad of industries.  It is being used by leading organizations not only to implement their customer relationship management system but also to develop their own applications running on cloud. But complete absence of meaningful analytical

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A misleading title…

September 4, 2011
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A misleading title…

When I received this book, Handbook of fitting statistical distributions with R, by Z. Karian and E.J. Dudewicz,  from/for the Short Book Reviews section of the International Statistical Review, I was obviously impressed by its size (around 1700 pages and 3 kilos…). From briefly glancing at the table of contents, and the list of standard

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Using Google Spreadsheets as a Database Source for R

September 2, 2011
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Using Google Spreadsheets as a Database Source for R

I couldn’t contain myself (other more pressing things to do, but…), so I just took a quick time out and a coffee to put together a quick and dirty R function that will let me run queries over Google spreadsheet data sources and essentially treat them as database tables (e.g. Using Google Spreadsheets as a

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Le Monde puzzle [#738]

September 1, 2011
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Le Monde puzzle [#738]

The Friday puzzle in Le Monde this week is about “friendly perfect squares”, namely perfect squares x2>10 and y2>10 with the same number of digits and such that, when drifting all digits of x2 by the same value a (modulo 10), one recovers y2. For instance, 121 is “friend” with 676. Here is my R

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Interactive graphics for data analysis

September 1, 2011
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Interactive graphics for data analysis

I got a copy of Martin Theus and Simon Urbanek’s Interactive Graphics for Data Analysis a couple of years ago, whence it’s been sat on my bookshelf. Since I’ve recently become a self-proclaimed expert on interactive graphics I thought it was about time I read the thing. Which is exactly what I did last weekend

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rnpn: An R interface for the National Phenology Network

August 31, 2011
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rnpn: An R interface for the National Phenology Network

The team at rOpenSci and I have been working on a wrapper for the USA National Phenology Network API. The following is a demo of some of the current possibilities. We will have more functions down the road. Get the publicly available code, and contribu...

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Posts of the year

August 30, 2011
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Posts of the year

Like last year, here are the most popular posts since last August: Home page 92,982 In{s}a(ne)!! 6,803 “simply start over and build something better” 5,834 Julien on R shortcomings 2,373 Parallel processing of independent Metropolis-Hastings algorithms 1,455 Do we need an integrated Bayesian/likelihood inference? 1,361 Coincidence in lotteries 1,256 #2 blog for the statistics geek?! 863

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The Visual Difference – R and Anscombe’s Quartet

August 30, 2011
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The Visual Difference – R and Anscombe’s Quartet

I spent a chunk of today trying to get my thoughts in order for a keynote presentation at next week’s The Difference that Makes a Difference conference. The theme of my talk will be on how visualisations can be used to discover structure and pattern in data, and as in many or my other recent

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Nomograms everywhere!

August 30, 2011
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Nomograms everywhere!

At useR!, Jonty Rougier talked about nomograms, a once popular visualisation that has fallen by the wayside with the rise of computers. I’d seen a few before, but hadn’t understood how they worked or why you’d want to use them. Anyway, since that talk I’ve been digging around in biology books from the 60s and

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How Much of R is Written in R Part 2: Contributed Packages

August 29, 2011
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How Much of R is Written in R Part 2:  Contributed Packages

So that mean old boss of mine is at it again.  This morning I came in beaming about how many people had read my post How Much of R is Written in R (thanks by the way!).  He then asks me about one little line in that post; the one about how if you looked

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