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

We currently maintain 308 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:  URL Reputation

Task: Classification
Data Type: Multivariate, Time-Series
# Attributes: 3231961
# Instances: 2396130

Anonymized 120-day subset of the ICML-09 URL data containing 2.4 million examples and 3.2 million features.
Newest Data Sets:
2015-01-03:
 NoisyOffice
2014-11-18:
 sEMG for Basic Hand movements
2014-11-05:
 Sentence Classification
2014-10-23:
 Dow Jones Index
2014-10-18:
 Geographical Original of Music
2014-10-10:
 Gas sensor array exposed to turbulent gas mixtures
2014-10-06:
 Grammatical Facial Expressions
2014-09-18:
 UJIIndoorLoc
2014-09-11:
 Condition Based Maintenance of Naval Propulsion Plants
2014-09-10:
 Gas sensor array under flow modulation
2014-07-30:
 AAAI 2013 Accepted Papers
2014-07-30:
 AAAI 2014 Accepted Papers
Most Popular Data Sets (hits since 2007):
664782:
 Iris
466022:
 Adult
392837:
 Wine
325775:
 Car Evaluation
316208:
 Breast Cancer Wisconsin (Diagnostic)
258641:
 Abalone
217513:
 Wine Quality
211524:
 Poker Hand
201119:
 Heart Disease
182610:
 Forest Fires
166033:
 Internet Advertisements
154684:
 Yeast

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