Monthly Archives: January 2012

Free Online Stanford Machine Learning Course: Andrew Ng. Post Mortem.

January 1, 2012
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Free Online Stanford Machine Learning Course: Andrew Ng. Post Mortem.

Happy New Year to all the viewers of this blog and just a short reminder that the course will be available again this January.http://www.ml-class.org/course/auth/welcomeHaving audited the course, I would highly recommend it to anyone who is interested ...

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RTextTools v1.3.5: Saving models, text labels, and a game plan for 2012

RTextTools v1.3.5 addresses some key concerns that have been raised in recent months. Many of the algorithms used in RTextTools require that any new data presented to a trained classifier contain the same features as the original document-term matrix. Since this rarely (if ever) happens in the real world, I have added an originalMatrix parameter to the create_matrix() function...

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RTextTools v1.3.5: Saving models, text labels, and a game plan for 2012

RTextTools v1.3.5 addresses some key concerns that have been raised in recent months. Many of the algorithms used in RTextTools require that any new data presented to a trained classifier contain the same features as the original document-term matrix. Since this rarely (if ever) happens in the real world, I have added an originalMatrix parameter to the create_matrix() function...

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New Year Resolutions

January 1, 2012
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Well, here we go again! It's time of year that we make all of those resolutions - the ones that usually get broken before the holiday decorations have been packed away. Not this year, though!In 2012, and in no particular order, I firmly resolve to:Increase my use of the R statistical environment in my research and teaching, and foster "Reconometrics".Become more...

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