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

We currently maintain 327 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. We have also set up a mirror site for the Repository.

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Latest News:
2013-04-04: Welcome to the new Repository admins Kevin Bache and Moshe Lichman!
2010-03-01: Note from donor regarding Netflix data
2009-10-16: Two new data sets have been added.
2009-09-14: Several data sets have been added.
2008-07-23: Repository mirror has been set up.
2008-03-24: New data sets have been added!
2007-06-25: Two new data sets have been added: UJI Pen Characters, MAGIC Gamma Telescope


Featured Data Set:  Poker Hand

Task: Classification
Data Type: Multivariate
# Attributes: 11
# Instances: 1025010

Purpose is to predict poker hands
Newest Data Sets:
2015-07-03:
 Chronic_Kidney_Disease
2015-06-06:
 Machine Learning based ZZAlpha Ltd. Stock Recommendations 2012-2014
2015-05-31:
 Online News Popularity
2015-05-30:
 Sentiment Labelled Sentences
2015-05-25:
 Forest type mapping
2015-05-19:
 Online Video Characteristics and Transcoding Time Dataset
2015-05-04:
 wiki4HE
2015-04-25:
 HIV-1 protease cleavage
2015-04-24:
 Firm-Teacher_Clave-Direction_Classification
2015-04-16:
 Greenhouse Gas Observing Network
2015-03-27:
 TV News Channel Commercial Detection Dataset
2015-03-26:
 Phishing Websites
Most Popular Data Sets (hits since 2007):
745229:
 Iris
523924:
 Adult
436634:
 Wine
368078:
 Car Evaluation
347029:
 Breast Cancer Wisconsin (Diagnostic)
288658:
 Abalone
251638:
 Wine Quality
240556:
 Heart Disease
233857:
 Poker Hand
201795:
 Forest Fires
199619:
 Human Activity Recognition Using Smartphones
185205:
 Internet Advertisements

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