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May 24, 2011

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A comparison of timing between Open Source R and proprietary Revolution R would have been nice...specially since 600K X 3 data can be crunched in GNU R anyways. And, what about a real big data problem...for eg 3000 columns instead of 3 and 6 million rows instead of 600K? I'd like to see that.

I second Nick's comments.

You can run the same analysis on the large airline data, which contains 123,534,969 observations and 30 variables.
The large airline data can be downloaded here:
http://www.revolutionanalytics.com/subscriptions/datasets/AirlineData87to08.zip

The extracted zip contents of the XDF datafile is 13.4 GB large.

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