552 search results for "Register"

More bubble sort tuning

May 26, 2013
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After last week's post bubble sort tuning I got an email from Berend Hasselman noting that my 'best' function did not protect against cases n<=2 and a speed improvement was possible. That made me realize that I should have been profiling t...

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What happened to six million voters?

May 22, 2013
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What happened to six million voters?

The recent elections in Pakistan on May 11 were a great success by all means. In spite of the threats for violence by Al-Qaeda and its local franchises in Pakistan against those who would vote, millions of Pakistanis indeed stepped out to vote for an elected government. The Election Commission of Pakistan (ECP) claimed a voter turnout of 60%....

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Revolution Newsletter: May 2013

May 17, 2013
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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. Gaming Analytics FTW! Join us on 13Jun13 at 10:00 AM PDT for our webinar...

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R in Insurance: Programme and Abstracts published

May 7, 2013
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R in Insurance: Programme and Abstracts published

I am delighted to announce that the programme and abstracts for the first R in Insurance conference at Cass Business School in London, 15 July 2013, have been published. The conference committee received strong abstracts from academia and the industry,...

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R/Finance 2013 Is Coming Quickly…

May 5, 2013
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R/Finance 2013 Is Coming Quickly…

There is about two weeks remaining until R/Finance 2013 - being held on May 17th and 18th at UIC in Chicago.  Make sure you register beforehand to ensure you have a spot, and – yes - you do want to come to the conference dinner on Friday.   I am particularly excited about the lineup of keynotes

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Integrating Documentation and Calculation

April 30, 2013
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Integrating Documentation and Calculation Integrating Documentation and Calculation This post is a first in that I've authored it using RStudio. I would guess most people who work in computational finance or quantitative risk are at least familiar with R. Unfortunately R as...

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Webinar May 1: What’s new in Revolution R Enterprise 6.2

April 29, 2013
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Revolution R Enterprise 6.2 is now available, and includes many new features that enhance the performance, scalability and enterprise readiness of R. On May 1, product manager Thomas Dinsmore will give an overview of the new features in a 30-minute webinar. You can register for the webinar (and the post-webinar slides and replay) at the link below. Revolution Analytics...

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Editing/Adding factor levels in R

April 29, 2013
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I was trying to change few levels in my factor variable by simply coercing characters on that factor variable but it dint seem to work. data(iris)iris$Species <- rep("Random", 71) ## Warning: invalid factor level, NAs generated iris$Species ## setosa ...

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Funky music in funky months: Does my taste of music change over the year?

April 28, 2013
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Funky music in funky months: Does my taste of music change over the year?

I already introduced some stuff I did with the last.fm API. But did you ever wonder if your taste of music changes over the year? Sunny music in the sunny months and dark music in darker months? Well, I did. And I want to check it out with the RLastFM ...

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Forecasting stock returns using ARIMA model with exogenous variable in R

April 28, 2013
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Forecasting stock returns using ARIMA model with exogenous variable in R

Why is it important? Why is it important? India has a lot to achieve in terms of becoming a developed nation from an economic standpoint. An aspect which, in my opinion, is of utmost importance is the formation of structurally sound and robust...

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