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

We currently maintain 325 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:
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
2015-03-20:
 Gas sensor array under dynamic gas mixtures
2015-03-17:
 microblogPCU
Most Popular Data Sets (hits since 2007):
743883:
 Iris
522959:
 Adult
435952:
 Wine
367495:
 Car Evaluation
346549:
 Breast Cancer Wisconsin (Diagnostic)
288204:
 Abalone
251174:
 Wine Quality
239942:
 Heart Disease
233534:
 Poker Hand
201536:
 Forest Fires
199027:
 Human Activity Recognition Using Smartphones
184938:
 Internet Advertisements

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