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Re:Machine Learning with scikit-learn by tucson on Monday October 07, 2013 @10:20AM (#6508395)
Thanks.

I also found a blog post that figured the diagram, with some background infos:

http://peekaboo-vision.blogspot.de/2013/01/machine-learning-...

Re:Machine Learning with scikit-learn by alok-g on Monday October 07, 2013 @11:44AM (#6508959)
And a prior HN discussion: https://news.ycombinator.com/item?id=5831512

There are many others too, but with few points and comments