Monthly Archives: June 2011

Real-time Analytics for Capital Markets with Revolution R

June 8, 2011
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In the 2011 edition of the Sybase Capital Markets Guide, Revolution Analytics CTO David Champagne talks about the need for up-to-date analytics in Finance, and how you can integrate Revolution R with quality real-time data sources. Here's an excerpt: R represents a radically different approach to the challenges posed by analyzing increasingly large and complex data sets. Because it...

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David Banks on Reproducible Research

June 8, 2011
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Just got an email linking to Reproducible Research: A Range of Response, in the new journal Statistics, Politics, and Policy 2(1) by David Banks, who is also the journal's editor. Interestingly, the commentary doesn't mention the journal's policy (if one exists) on the reproducibility of research submitted there. Banks' writing is easy to read, though

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Stratigraphic diagrams using analogue

June 8, 2011
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Stratigraphic diagrams using analogue

One of the routine tasks palaeoecologists do is plot data on species composition or geochemical proxies say along a sediment core or stratigraphic sequence. These diagrams are the canonical way of displaying stratigraphic data in this field. An example of … Continue reading →

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Stratigraphic diagrams using analogue

June 8, 2011
By
Stratigraphic diagrams using analogue

One of the routine tasks palaeoecologists do is plot data on species composition or geochemical proxies say along a sediment core or stratigraphic sequence. These diagrams are the canonical way of displaying stratigraphic data in this field. An example of a stratigraphic diagram is shown below.

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Generating unique random IDs

June 7, 2011
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Generating unique random IDs

Recently I was asked to help create random IDs for someone. At first I thought, ‘Ah yup, 1:x (1,2,3, …,x), job done’. Then I thought that there had to be a R function/package to create better looking IDs, to which I didn’t find one, if there is, please let me know. In the mean time

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Drafting the Documentation for RTextTools

In preparation for The 4th Annual Conference of the Comparative Policy Agendas Project in Catania, Sicily, our development team has been busy drafting the documentation for RTextTools. In addition to standard documentation of functions, we want to provide quick-start guides, sample datasets, example scripts, and

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How to fit power laws

June 7, 2011
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How to fit power laws

A new paper out in Ecology by Xiao and colleagues (in press, here) compares the use of log-transformation to non-linear regression for analyzing power-laws.They suggest that the error distribution should determine which method performs better. When you...

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A Quantstrat to Build on Part 2

June 7, 2011
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A Quantstrat to Build on Part 2

As I explore additional functionality of quantstrat and make changes to my original post A Quantstrat to Build On, I will write multiple posts, and hopefully, the finished product will not be so overwhelming to comprehend.  Also, it might highligh...

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The ‘Big Analytics’ Revolution Starts with R: Webinar June 14

June 7, 2011
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On Tuesday next week I'll be teaming up with Revolution Analytics' Mike Minelli to give a 30-minute webinar to introduce executives to R, Big Data, and applications of advanced analytics. If there's someone in your company who needs to know about the impact of R on getting value out of data, they can register here. Here's the agenda: The...

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R books are now showing up in the dollar bin. That’s a good…

June 7, 2011
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R books are now showing up in the dollar bin. That’s a good…

R books are now showing up in the dollar bin. That’s a good sign!

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