283 search results for "market research"

Retweets, Modified Tweets, vias: what’s in the SoMeLab dataset

June 23, 2012
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Retweets, Modified Tweets, vias: what’s in the SoMeLab dataset

  Since October we have been collecting tweets related to the Occupy movement and so far we’ve picked up 64,298,104 tweets. In future posts we will give you some insight into our process, but today the question is, what is the difference between new style retweets, old style retweets and new emerging tags like MT?

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Data distillation with Hadoop and R

June 11, 2012
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Data distillation with Hadoop and R

We're definitely in the age of Big Data: today, there are many more sources of data readily available to us to analyze than there were even a couple of years ago. But what about extracting useful information from novel data streams that are often noisy and minutely transactional ... aye, there's the rub. One of the great things about...

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Applications of R in Government

June 4, 2012
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Following the announcement of the US Government Big Data Initiative, I was asked to write a small article about applications of R in government. The article has just appeared in Government Security News (and I believe will appear in their daily newsletter tomorrow). In the article, I highlighted several R applications that been highlighted here in the blog: In...

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Term structure of interest rate spread volatility : Unit root test

Term structure of interest rate spread volatility : Unit root test

Recently, I was working on my master's thesis and came across an interesting observation regarding the term structure of interest rate spread volatility that I wish to share. Let me first try and throw some light on the jargon that I have used. To begi...

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How to Stay Current in Bioinformatics/Genomics

May 29, 2012
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A few folks have asked me how I get my news and stay on top of what's going on in my field, so I thought I'd share my strategy. With so many sources of information begging for your attention, the difficulty is not necessarily finding what's interesting...

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Grexit stage left: visualizing the online discussion around Greece’s possible Euro exit

May 24, 2012
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Grexit stage left: visualizing the online discussion around Greece’s possible Euro exit

  While Tsipras and his Syriza coalition have been busy in Greek parliament, the Internet has been a-buzz with speculation that their platform will result in a Greek exit from the Euro currency.  This prospect, affectionately dubbed “Grexit” by Citi… Read more ›

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End User Computing and why R can help meeting Solvency II

May 20, 2012
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End User Computing and why R can help meeting Solvency II

John D. Cook gave a great talk about 'Why and how people use R'. The talk resonated with me and highlighted why R is such a great tool for end user computing. A topic which has become increasingly important in the European insurance industry.John's mai...

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Revolution Newsletter: May 2012

May 16, 2012
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The most recent edition of the Revolution Newsletter is out. The news section is below, and you can read the full May edition (with highlights from this blog and community events) online. You can subscribe to the Revolution Newsletter to get it monthly via email. New R Training Courses Announced. Three new R courses from leading R experts are...

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Skew of Bonds

May 15, 2012
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Skew of Bonds

As the researchpuzzler highlights in “a bad bet”, US bonds were a popular subject at the CFA Institute Annual Conference.  While US Bonds have been in an amazing 30 year run (see previous posts Lattice Explore Bonds, Bond Market as a Casino Ga...

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In case you missed it: April 2012 Roundup

May 10, 2012
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In case you missed them, here are some articles from April of particular interest to R users. Information Age published a feature article on R, describing how new graduates are driving adoption of R in industry. Bob Muenchen has updated his list of R package equivalents to SAS and SPSS procedures. A history of Data Science, including Bill Cleveland's...

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