Qi Fan highlighted Which o... from Statistical Methods for Recommender Systems

Skip to content

Qi Fan thinks this is interesting:

Which of these has more unknown parameters?

From

Cover of Statistical Methods for Recommender Systems

2 Classical Methods
from Statistical Methods for Recommender Systems
by Bee-Chung Chen, Deepak K. Agarwal
Publisher: Cambridge University Press
Released: December 2015

Note

LDA has alpha and beta to address the problem from PLSA where the P(d) for the new document is unknown.

PLSA has a linear number of parameters wrt. Documents and Words. This would easily go easy fitting

Share this highlight

http://www.safaribooksonline.com/a/statistical-methods-for/8770953/