Comment by jmduke

So, this article appears to be plagiarized directly (as in, word for word) from Wes McKinney's Python for Data Analysis (which is an excellent, excellent resource):

http://books.google.com/books?id=JtJAkfzds4wC&lpg=PA46&ots=p...

Seeing as the 'author' of this post was the submitter, I'd love to hear an explanation of what happened here.