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.

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Latest News:
04-04-2013: Welcome to the new Repository admins Kevin Bache and Moshe Lichman!
03-01-2010: Note from donor regarding Netflix data
10-16-2009: Two new data sets have been added.
09-14-2009: Several data sets have been added.
07-23-2008: Repository mirror has been set up.
03-24-2008: New data sets have been added!
06-25-2007: Two new data sets have been added: UJI Pen Characters, MAGIC Gamma Telescope


Featured Data Set:  Iris

Task: Classification
Data Type: Multivariate
# Attributes: 4
# Instances: 150

Famous database; from Fisher, 1936
Newest Data Sets:
05-31-2015:
 Online News Popularity
05-30-2015:
 Sentiment Labelled Sentences
05-25-2015:
 Forest type mapping
05-19-2015:
 Online Video Characteristics and Transcoding Time Dataset
05-04-2015:
 wiki4HE
04-25-2015:
 HIV-1 protease cleavage
04-24-2015:
 Firm-Teacher_Clave-Direction_Classification
04-16-2015:
 Greenhouse Gas Observing Network
03-27-2015:
 TV News Channel Commercial Detection Dataset
03-26-2015:
 Phishing Websites
Most Popular Data Sets (hits since 2007):
741395:
 Iris
521399:
 Adult
434759:
 Wine
366437:
 Car Evaluation
345772:
 Breast Cancer Wisconsin (Diagnostic)
287344:
 Abalone
250390:
 Wine Quality
238975:
 Heart Disease
233000:
 Poker Hand
201133:
 Forest Fires

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