Summary

Over 1.7 million continuous ratings (-10.00 to +10.00) of 150 jokes from 63,974 users: collected between November 2006 - May 2009

License

unknown (from UCI repository)

Dependencies

Tags

collaborative-filtering completion jester jokes matrix ratings

Attribute Types

Download

# Instances: 1761439 / # Attributes: 3
HDF5 (26.9 MB) XML CSV ARFF LibSVM Matlab Octave

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Original Data Format

h5

Name

jester2

Version mldata

0

Comment

CSV

Names

int0,int1,double2,

Data (first 10 data points)

int0	int1	doub...
1.0	5.0	0.219
1.0	7.0	-9.281
1.0	8.0	-9.281
1.0	13.0	-6.781
1.0	15.0	0.875
1.0	16.0	-9.656
1.0	17.0	-9.031
1.0	18.0	-7.469
1.0	19.0	-8.719
1.0	20.0	-9.156
...	...	...

Description

Format:

jester_ratings.dat: Each row is formatted as [User ID] [Item ID] [Rating] jester_items.dat: Maps item ID's to jokes Note that the ratings are real values ranging from -10.00 to +10.00. As of May 2009, the jokes {7, 8, 13, 15, 16, 17, 18, 19} are the "gauge set" (as discussed in the Eigentaste paper) and the jokes {1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 14, 20, 27, 31, 43, 51, 52, 61, 73, 80, 100, 116} have been removed (i.e. they are never displayed or rated).

URLs

http://eigentaste.berkeley.edu/dataset/

Publications

Data Source

http://eigentaste.berkeley.edu/dataset/

Measurement Details

Usage Scenario

revision 1

by kidzik on 2011-09-14 16:14

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