Monthly Archives: September 2011

R is a cool sound editor!

September 7, 2011
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Capabilities of R are definitely unless! After my previous posts about some easy image editing in R (they are here, and here), now is the time to explore if R is capable of sound editing!Just for fun, here I created a function that receives a phone number (or another sequence of numbers), and returns the equivalent melody...

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A simple example for writting parallel code

September 7, 2011
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A simple example for writting parallel code

Today, programmers have to deal with multi-core and multi-computer technologies. Several people claim that software developers are far behind hardware technologies. My two favorite posts for this statement are Editor’s Desk: Software Lags Behind Hardware, But That’s a Good Thing A Hacker’s Craic -Why is software so far behind hardware? Parallel computing is not that

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Google Spreadsheets API: Listing Individual Spreadsheet Sheets in R

September 7, 2011
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Google Spreadsheets API: Listing Individual Spreadsheet Sheets in R

In Using Google Spreadsheets as a Database Source for R, I described a simple Google function for pulling data into R from a Google Visualization/Chart tools API query language query applied to a Google spreadsheet, given the spreadsheet key and worksheet ID. But how do you get a list of sheets in spreadsheet, without opening

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2011 Perth City to Surf Stats

September 6, 2011
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2011 Perth City to Surf Stats

Like every year, August sees the thousands taking part in the Perth City to Surf, and with that comes the chance for some stats. Why? Curiosity more than anything, and to convince myself that my time in the 12km run … Continue reading →

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Fortune: Data Science is the hot new job

September 6, 2011
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An article in the September 5 issue of Fortune Magazine notes that despite the economy, companies are scrambling to hire data scientists: Data scientists have been a fixture at online companies like Google (GOOG) and Amazon (AMZN) for years. But these days organizations as diverse as Wal-Mart (WMT) and Foursquare are hiring computer science experts who can analyze all...

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Bayes-250, Edinburgh [day 2]

September 6, 2011
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Bayes-250, Edinburgh [day 2]

After a terrific run this morning to the top of Arthur’s Seat, and then around (the ribs are feeling fine, now!), the Bayes-250 talks were exhilarating and challenging. Jim Smith gave an introduction to the challenges of getting different experts to collaborate on a complex risk assessment, much in the spirit of his book, that

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Webinar: Leveraging R in Hadoop Environments

September 6, 2011
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Webinar: Leveraging R in Hadoop Environments

On Wednesday September 21, Revolution Analytics' CTO David Champagne will give a live webinar introducing three new open-source packages for R and Hadoop, which make it possible to work with Hadoop data in R, and bring in-database R analytics to Hadoop. Here are the details: Date: Wednesday, September 21st Time: 10:00AM - 10:30AM Pacific Time Presenter: David Champagne, Chief...

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Example 9.4: New stuff in SAS 9.3– MI FCS

September 6, 2011
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Example 9.4: New stuff in SAS 9.3– MI FCS

We begin the new academic year with a series of entries exploring new capabilities of SAS 9.3, and some functionality we haven't previously written about.We'll begin with multiple imputation. Here, SAS has previously been limited to multivariate norma...

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Free R Book Collection

September 6, 2011
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I have just encountered some R PDF books that seem quite interesting. One of them is written by Venables himself.The Art of R Programming by Norman MatloffAn Introduction to R by W.N. Venables and D. M. SmithThe R Inferno by Patrick BurnsThe R Guide by...

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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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