My Five Rules for Data Visualization

December 3, 2009 | Drew Conway

Tonight the NYC R Meetup will be discussing data visualization in R using ggplot2. As part of tonight’s meeting I will be providing a very brief show and tell, which includes mostly code examples and external resources. This exercise has had me thinking quite a bit about data visualization. ...
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Top Five Open Source Projects of 2009

November 5, 2009 | Ed Borasky

Every year, I single out what I think are the Top Five open source projects. This year, there's only one hold-over from previous years, and it's likely that I'm just going to give it a Lifetime Achievement Award and pick five others next year. 5. NetBe... [Read more...]

opentick alternatives

November 5, 2009 | Joshua Ulrich

I've been getting a bit of traffic from people searching for opentick (the defunct company), so I've started a list of similar (but non-free) data providers. I'm not affiliated with any of these vendors, and the list is in no particular order. I'll u...
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Xasax closes shop

October 18, 2009 | Joshua Ulrich

Six months after shutting down opentick completely Xasax (opentick's parent company) has followed suit.It looks like Xasax hit funding problems in August... Inside Market Data mentions the above in this story. Here is the full story (subscription requ...
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What’s Happening, Man?

October 14, 2009 | Ed Borasky

topsyWidgetPreload({ "url": "", "style": "big", "title": "What's Happening, Man?" }); There is quite a bit of activity on the AlgoCompSynth front. As you may know, I’m a SUSE Studio subscriber, and I’m building openSUSE 11.1-based appliances there. One of ... [Read more...]

Make Shift-Enter do a lot in ESS

October 12, 2009 | kjhealy

If you use Emacs and ESS to run R, then here’s a nice tweak I found on the Emacs Wiki. The following bit of elisp goes in your .emacs file (or equivalent). Starting with an R file in the buffer, hitting shift-enter vertically splits the window and starts R ... [Read more...]

How to Import MS Excel Data into R

September 26, 2009 | Yihui Xie

s Sir Francis Bacon said, “Histories make men wise; poets witty; the mathematics subtile; natural philosophy deep; moral grave; logic and rhetoric able to contend.” And Windows stupid. He should have added the last sentence if he were a Windows user in this age. 1. Avoid Using M$ Excel A lot ... [Read more...]

Rails, Scalability and Sexism

April 29, 2009 | Ed Borasky

It’s been a long time since I posted here, for a number of reasons: Change of focus from Ruby programming to Linux capacity planning, especially in the realm of I/O subsystems. You’ll find more about that at [Read more...]

opentick is no more

April 17, 2009 | Joshua Ulrich

After a year of "we plan to accept new subscribers shortly", opentick has shut its doors completely. As of March 20th, the opentick service is no longer available.From opentick subscribers, friends, supporters, contributors an...
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