| Title: | Book-Crossing Dataset (BX) for 'recommenderlab' |
|---|---|
| Description: | Provides the Book-Crossing Dataset for the package recommenderlab. |
| Authors: | Michael Hahsler [aut, cre, cph]
|
| Maintainer: | Michael Hahsler <[email protected]> |
| License: | GPL-2 |
| Version: | 0.2-0 |
| Built: | 2024-11-02 02:40:45 UTC |
| Source: | https://github.com/mhahsler/recommenderlabBX |
The data set contains a 4-week crawl (August / September 2004) from the Book-Crossing community. Contains 278,858 users (anonymized) providing 1,149,780 ratings (explicit / implicit) about 271,379 books.
data(BX) data(BXBooks)data(BX) data(BXBooks)
The format is:
BX: Formal class 'realRatingMatrix' [package "recommenderlab"] BXBooks: data.frame with book meta information (title, author, year, publisher)
44778 x 204680 rating matrix of class 'realRatingMatrix' with 493813 ratings between 0 and 10.
Cai-Nicolas Ziegler, Sean M. McNee, Joseph A. Konstan, Georg Lausen, "Improving Recommendation Lists Through Topic Diversification," Proceedings of the 14th International World Wide Web Conference (WWW '05), May 10-14, 2005, Chiba, Japan.
data(BX) BX hist(getRatings(BX), main = "Distribution of ratings", breaks = 10)data(BX) BX hist(getRatings(BX), main = "Distribution of ratings", breaks = 10)