7.2.1
Or written more formally it is:
If you consider each...
7.2.2
then we will end up with the following formula:
This way of ...
7.2.2
The L2norm is known as the Euclidian norm and is defined as follows:
And is the distance birds flies when they want to go from point a to point b, as oppose
7.2.4
The Pearson correlation is calculated by subtracting the users average rating from his using the following equation:
Do not worry if...
this is very annoying. Not to say, that the book comes close to being useless.
I was viewing this book in several browsers, so this seems not to be a browser issue.
Please fix that ASAP.
Regards,
Mat
