Center for Machine Learning and Intelligent Systems
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Welcome to the UC Irvine Machine Learning Repository!

We currently maintain 177 data sets as a service to the machine learning community. You may view all data sets through our searchable interface. Our old web site is still available, for those who prefer the old format. For a general overview of the Repository, please visit our About page. For information about citing data sets in publications, please read our citation policy. If you wish to donate a data set, please consult our donation policy. For any other questions, feel free to contact the Repository librarians.

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Latest News:
07-23-2008: Repository mirror has been set up.
03-24-2008: New data sets have been added!
06-25-2007: Two new data sets have been added: UJI Pen Characters, MAGIC Gamma Telescope
04-13-2007: Research papers that cite the repository have been associated to specific data sets.
04-09-2007: Three new data sets have been added: Poker Hand, CalIt2 Building People Counts, Dodgers Loop Sensor.
09-08-2006: The Beta site has been launched.
09-01-2006: SPECTF.test has been modified by the donor.


Featured Data Set:  Covertype

Task: Classification
Data Type: Multivariate
# Attributes: 54
# Instances: 581012

Forest CoverType dataset
Newest Data Sets:
01-22-2009:
 UJI Pen Characters (Version 2)
10-03-2008:
 Blood Transfusion Service Center
08-20-2008:
 Character Trajectories
06-26-2008:
 Parkinsons
04-21-2008:
 Ozone Level Detection
04-03-2008:
 Abscisic Acid Signaling Network
03-20-2008:
 Hill-Valley
03-12-2008:
 Bag of Words
03-08-2008:
 Reuters Transcribed Subset
02-29-2008:
 Madelon
Most Popular Data Sets (hits since 2007):
77198:
 Iris
60807:
 Adult
52551:
 Wine
44304:
 Breast Cancer Wisconsin (Diagnostic)
34585:
 Abalone
33525:
 Poker Hand
26650:
 Forest Fires
25126:
 Yeast
23530:
 Internet Advertisements
22750:
 SPECT Heart

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