| Version: | 0.2-0 |
| Date: | 2022-05-31 |
| Title: | Book-Crossing Dataset (BX) for 'recommenderlab' |
| Author: | Michael Hahsler |
| Maintainer: | Michael Hahsler <mhahsler@smu.edu> |
| Description: | Provides the Book-Crossing Dataset for the package recommenderlab. |
| Depends: | R (≥ 3.5.0), recommenderlab (≥ 1.0-0) |
| URL: | https://github.com/mhahsler/recommenderlabBX |
| License: | GPL-2 |
| Copyright: | Data is freely available for research use when acknowledged with the following reference: Improving Recommendation Lists Through Topic Diversification, Cai-Nicolas Ziegler, Sean M. McNee, Joseph A. Konstan, Georg Lausen; Proceedings of the 14th International World Wide Web Conference (WWW '05), May 10-14, 2005, Chiba, Japan. To appear. |
| NeedsCompilation: | no |
| Packaged: | 2022-05-31 17:25:08 UTC; hahsler |
| Repository: | CRAN |
| Date/Publication: | 2022-05-31 22:30:02 UTC |
Book-Crossing Dataset (BX)
Description
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.
Usage
data(BX)
data(BXBooks)
Format
The format is:
BX: Formal class 'realRatingMatrix' [package "recommenderlab"] BXBooks: data.frame with book meta information (title, author, year, publisher)
Details
44778 x 204680 rating matrix of class 'realRatingMatrix' with 493813 ratings between 0 and 10.
References
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.
Examples
data(BX)
BX
hist(getRatings(BX), main = "Distribution of ratings", breaks = 10)