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

We currently maintain 306 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:  SPECT Heart

Task: Classification
Data Type: Multivariate
# Attributes: 22
# Instances: 267

Data on cardiac Single Proton Emission Computed Tomography (SPECT) images. Each patient classified into two categories: normal and abnormal.
Newest Data Sets:
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
2014-09-18:
 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
2014-07-25:
 REALDISP Activity Recognition Dataset
2014-07-22:
 Perfume Data
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633345:
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444343:
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308773:
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304274:
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246701:
 Abalone
204423:
 Wine Quality
202641:
 Poker Hand
186069:
 Heart Disease
174169:
 Forest Fires
158472:
 Internet Advertisements
148395:
 Yeast

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