New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

The value of similarity matrix may be wrong #62

Open

yoheimiyamoto opened this issue May 28, 2022 · 1 comment

yoheimiyamoto commented May 28, 2022

Chapter8 Collaborative filtering in the neighborhood

8.4 Amazon's algorithm to precalculate item similarity

Sim("MIB", "ST") was 0.016 with the following calculation .

However, in the Similarity matrix explained later, a completely different value is set, Sim (MIB, ST) is 0.63.

Table 8.4

.

pprafaellima commented Nov 3, 2023

I've noticed the same issue. Have you figured out?

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment