Monthly Archives: May 2011

Introducing R in the Enterprise

May 2, 2011
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Introducing R in the Enterprise

We've introduced R in the organization!It is running along with the heavy weights of statistical analysis like SAS, SPSS, Matlab. Here's what we did and how we did it...HOW DID IT START?I started learning R last year and loved its simplicity and power....

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Introducing R in the Enterprise

May 2, 2011
By
Introducing R in the Enterprise

We've introduced R in the organization!It is running along with the heavy weights of statistical analysis like SAS, SPSS, Matlab. Here's what we did and how we did it...HOW DID IT START?I started learning R last year and loved its simplicity and power....

Read more »

Review of the R Cookbook

May 2, 2011
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While we were at R/Finance in Chicago over the weekend (more on that later), it was a great pleasure to meet in person Paul Teetor, author of the R Cookbook (published by O'Reilly). If you haven't picked it up yet, I recommend checking it out: if you already have a basic familiarity of the R syntax, but want to...

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R/Finance conference in Chicago – April 29, 2011 to April 30, 2011

May 2, 2011
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This was my first year to attend the R/Finance conference that focuses on the use R programming in applied finance.  I was unable to get out there until mid-morning on Friday, so I missed Jeff Ryan’s tutorial on Automated Trading … Continue reading →

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Oscar awards: good actor versus good actress

May 2, 2011
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Oscar awards: good actor versus good actress

I am not a big fan of those ceremonies, where some actors pretend that they are extremely happy to be there, and then some win a trophy, some don't, and those who win start to cry, and those who did not get a trophy try to pretend that they are not...

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Unicode symbols in R

May 2, 2011
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Unicode symbols in R

A friend asked me this morning if there was a way to plot a symbol in R (as a plotting character) representing a half-filled circle. I didn't know, but I figured this out (perhaps it's demonstrated elsewhere -- the ability to use Unicode symbols was added in 2008 or so -- but I didn't stumble across it). First, looking...

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Unicode symbols in R

May 2, 2011
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Unicode symbols in R

A friend asked me this morning if there was a way to plot a symbol in R (as a plotting character) representing a half-filled circle. I didn't know, but I figured this out (perhaps it's demonstrated elsewhere -- the ability to use Unicode symbols was added in 2008 or so -- but I didn't stumble across it). First, looking...

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Home Away From Home

May 2, 2011
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Home Away From Home

It used to be stuffed animals everywhere. These days, it's those annoyingly small lego pieces. Toys in the house have a certain Tribble quality to them. They propagate during some designated time in the middle of the night and in the morning, they are ...

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Sustainable Futures conference in Manchester

Sustainable Futures conference in Manchester

Recently, Kevin Ummel gave a short conference about his PhD research at the Sustainable futures – Tyndall Centre researchers’ international conference. His work, named “Optimizing worldwide deployment of wind and solar power technologies via a high resolution, linear programming model”, is built with R. He is using the solaR package for the solar irradiance calculations,

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Postdoc on adaptive MCMC in Paris

May 2, 2011
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Postdoc on adaptive MCMC in Paris

Although the official deadline is long past, I just became aware of this call for a postdoctoral position in Paris starting next Fall. Please feel free to apply: Summary Adaptive Markov Chain Monte Carlo (MCMC) methods are currently a very active field of research. MCMC methods are sampling methods, based on Markov Chains which are

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