541 search results for "Register"

NSF BIGDATA webinar

May 1, 2012
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If you're doing any kind of big data analysis - genomics, transcriptomics, proteomics, bioinformatics - then unless you've been on vacation the last few weeks you've no doubt heard about the NSF/NIH BIGDATA  Initiative (here's the NSF solicitation...

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Incompetence borne of excessive cleverness

April 29, 2012
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I have just got back from the 24 hour Data Science Global Hackathon; I was an on-site participant at Hub Westminster in London (thanks to Carlos and his team for doing such a great job looking after us all {around 50 turned up from the 100 who registered; the percentage was similar in other cities

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Guess who wins: apply() versus for loops in R

April 28, 2012
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Guess who wins: apply() versus for loops in R

Yesterday I tried to do some data processing on my really big data set in MS Excel. Wow, did it not like handling all those data!! Every time I tried to click on a different ribbon, the screen didn’t even … Continue reading →

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Measuring user retention using cohort analysis with R

April 27, 2012
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Measuring user retention using cohort analysis with R

Cohort analysis is super important if you want to know if your service is in fact a leaky bucket despite nice growth of absolute numbers. There’s a good write up on that subject “Cohorts, Retention, Churn, ARPU” by Matt Johnson. So how to do it using R and how to visualize it. Inspired by examples

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Rmetrics financial engineering workshop

April 24, 2012
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For those looking for an in-depth workshop on financial engineering with R, look no further than the R/Rmetrics Workshop and Summer School held annually in beautiful Meielisalp, Switzerland. This is an intimate workshop limited to around 50 participants, and features tutorials from leading practitioners in finance with R. This year's workshop takes plase June 24-28. You can find the...

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Visualising the Path of a Genetic Algorithm

April 23, 2012
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Visualising the Path of a Genetic Algorithm

We quite regularly use genetic algorithms to optimise over the ad-hoc functions we develop when trying to solve problems in applied mathematics. However it’s a bit disconcerting to have your algorithm roam through a high dimensional solution space while not being able to picture what it’s doing or how close one solution is to another. … Continue reading...

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Revolution Newsletter: April 2012

April 20, 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 April edition (with highlights from this blog and community events) online. You can subscribe to the Revolution Newsletter to get it monthly via email. Spring Webinar Series. Our Spring Webinar Series features presentations from Revolution Analytics staff and...

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Getting Historical Weather Data in R and SAP HANA

April 19, 2012
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For many of my latest data blogs, I needed historical weather data to perform data mash-ups to pin-point the cause.  For example, for my continued exploration into the airlines/airports historical data using SAP HANA and R, I wanted to find out wh...

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Montreal R Workshop: Quantile Regression

April 17, 2012
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Montreal R Workshop: Quantile Regression

Stewart Biology Building, McGill University (Rm N4/17) Monday, April 24, 2012  14h-16h Dr. Arthur Charpentier (UQàM) In this workshop we will examine difference concepts related to quantiles, and practical issues based on R codes. This workshop will present quantile regression, and the idea of iterative least square estimation. It will present an illustration on climate

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Registration for R/Finance 2012 is Open

April 15, 2012
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Registration for R/Finance 2012 is Open

Registration has been open for a while, but I wanted to point out the pre-conference seminars. Registrations are strong this year, so if you’re interested you’ll need to sign up before they sell out. Register here… As you probably know by now, the fourth annual R/Finance conference for applied finance using R will be held

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