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

We currently maintain 360 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:  Arcene

Task: Classification
Data Type: Multivariate
# Attributes: 10000
# Instances: 900

ARCENE's task is to distinguish cancer versus normal patterns from mass-spectrometric data. This is a two-class classification problem with continuous input variables. This dataset is one of 5 datasets of the NIPS 2003 feature selection challenge.
Newest Data Sets:
2016-11-23:
 NIPS Conference Papers 1987-2015
2016-11-16:
 Amazon book reviews
2016-08-14:
 Dota2 Games Results
2016-08-05:
 Facebook metrics
2016-07-15:
 Gas sensors for home activity monitoring
2016-06-16:
 UbiqLog (smartphone lifelogging)
2016-05-19:
 Twin gas sensor arrays
2016-05-18:
 Activity Recognition system based on Multisensor data fusion (AReM)
2016-04-11:
 Polish companies bankruptcy data
2016-03-23:
 Air Quality
2016-03-11:
 Facebook Comment Volume Dataset
2016-03-09:
 Smartphone Dataset for Human Activity Recognition (HAR) in Ambient Assisted Living (AAL)
Most Popular Data Sets (hits since 2007):
1257336:
 Iris
854516:
 Adult
649208:
 Wine
558633:
 Car Evaluation
534531:
 Forest Fires
501334:
 Breast Cancer Wisconsin (Diagnostic)
462158:
 Human Activity Recognition Using Smartphones
438898:
 Wine Quality
437394:
 Abalone
437380:
 Heart Disease
338095:
 Poker Hand
336303:
 Bank Marketing

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