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

We currently maintain 330 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:  Car Evaluation

Task: Classification
Data Type: Multivariate
# Attributes: 6
# Instances: 1728

Derived from simple hierarchical decision model, this database may be useful for testing constructive induction and structure discovery methods.
Newest Data Sets:
2015-07-27:
 Cuff-Less Blood Pressure Estimation
2015-07-11:
 Taxi Service Trajectory - Prediction Challenge, ECML PKDD 2015
2015-07-05:
 Folio
2015-07-03:
 Chronic_Kidney_Disease
2015-06-06:
 Machine Learning based ZZAlpha Ltd. Stock Recommendations 2012-2014
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
Most Popular Data Sets (hits since 2007):
754665:
 Iris
530119:
 Adult
440993:
 Wine
371792:
 Car Evaluation
350213:
 Breast Cancer Wisconsin (Diagnostic)
291806:
 Abalone
254807:
 Wine Quality
244853:
 Heart Disease
236042:
 Poker Hand
208026:
 Human Activity Recognition Using Smartphones
203618:
 Forest Fires
187034:
 Internet Advertisements

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