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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)

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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