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

We currently maintain 332 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:  EEG Database

Data Type: Multivariate, Time-Series
# Attributes: 4
# Instances: 122

This data arises from a large study to examine EEG correlates of genetic predisposition to alcoholism. It contains measurements from 64 electrodes placed on the scalp sampled at 256 Hz
Newest Data Sets:
2015-08-04:
 Mice Protein Expression
2015-07-29:
 Smartphone-Based Recognition of Human Activities and Postural Transitions
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
Most Popular Data Sets (hits since 2007):
764506:
 Iris
536322:
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445425:
 Wine
375521:
 Car Evaluation
353615:
 Breast Cancer Wisconsin (Diagnostic)
295096:
 Abalone
257765:
 Wine Quality
249125:
 Heart Disease
238035:
 Poker Hand
216011:
 Human Activity Recognition Using Smartphones
205630:
 Forest Fires
188850:
 Internet Advertisements

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