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

We currently maintain 320 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:  Heart Disease

Task: Classification
Data Type: Multivariate
# Attributes: 75
# Instances: 303

4 databases: Cleveland, Hungary, Switzerland, and the VA Long Beach
Newest Data Sets:
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
2015-03-20:
 Gas sensor array under dynamic gas mixtures
2015-03-17:
 microblogPCU
2015-03-13:
 ElectricityLoadDiagrams20112014
2015-02-24:
 Dataset for Sensorless Drive Diagnosis
2015-01-03:
 NoisyOffice
2014-12-07:
 MHEALTH Dataset
2014-11-27:
 Student Performance
Most Popular Data Sets (hits since 2007):
726862:
 Iris
511313:
 Adult
426607:
 Wine
358725:
 Car Evaluation
340505:
 Breast Cancer Wisconsin (Diagnostic)
281542:
 Abalone
244235:
 Wine Quality
231948:
 Heart Disease
229060:
 Poker Hand
197848:
 Forest Fires
187822:
 Human Activity Recognition Using Smartphones
181462:
 Internet Advertisements

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