Programming Collective Intelligence
by Toby Segaran

This errata page lists errors corrected in the 3/08 printing.

Here's a key to the markup:
	[page-number]: serious technical mistake
	{page-number}: minor technical mistake
	<page-number>: important language/formatting problem
	(page-number): language change or minor formatting problem
	?page-number?: reader question or request for clarification


{11} last line of code sample;
return 1/(1+sum_of_squares)
should be
return 1/(1+*sqr*t(sum_of_squares))


(27) bottom;
"Chapter 2" should be 3