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

We currently maintain 313 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:  Abalone

Task: Classification
Data Type: Multivariate
# Attributes: 8
# Instances: 4177

Predict the age of abalone from physical measurements
Newest Data Sets:
2015-03-20:
 Gas sensor array under dynamic gas mixtures
2015-03-17:
 microblogPCU
2015-03-13:
 ElectricityLoadDiagrams20112014
2015-01-03:
 NoisyOffice
2014-12-07:
 MHEALTH Dataset
2014-11-27:
 Student Performance
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
Most Popular Data Sets (hits since 2007):
710394:
 Iris
499657:
 Adult
417573:
 Wine
349263:
 Car Evaluation
334039:
 Breast Cancer Wisconsin (Diagnostic)
275057:
 Abalone
236564:
 Wine Quality
224434:
 Poker Hand
223581:
 Heart Disease
193699:
 Forest Fires
177636:
 Internet Advertisements
175161:
 Human Activity Recognition Using Smartphones

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