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

We currently maintain 284 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:  Census Income

Task: Classification
Data Type: Multivariate
# Attributes: 14
# Instances: 48842

Predict whether income exceeds $50K/yr based on census data. Also known as "Adult" dataset.
Newest Data Sets:
2014-03-31:
 Wholesale customers
2014-03-13:
 Wilt
2014-03-04:
 Airfoil Self-Noise
2014-03-03:
 Parfum_data
2014-03-02:
 User Identification From Walking Activity
2014-03-02:
 Activity Recognition from Single Chest-Mounted Accelerometer
2014-02-24:
 Leaf
2014-02-19:
 Dresses_Attribute_Sales
2014-02-19:
 LSVT Voice Rehabilitation
2014-02-12:
 SUSY
2014-02-12:
 HIGGS
2014-02-11:
 Dataset for ADL Recognition with Wrist-worn Accelerometer
Most Popular Data Sets (hits since 2007):
551540:
 Iris
386081:
 Adult
330579:
 Wine
271988:
 Breast Cancer Wisconsin (Diagnostic)
266560:
 Car Evaluation
214682:
 Abalone
180252:
 Poker Hand
169838:
 Wine Quality
154875:
 Forest Fires
147522:
 Heart Disease
138380:
 Internet Advertisements
133414:
 Yeast

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