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

We currently maintain 362 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:
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:  Audiology (Standardized)

Task: Classification
Data Type: Multivariate
# Attributes: 69
# Instances: 226

Standardized version of the original audiology database
Newest Data Sets:
02-15-2017:
 Appliances energy prediction
02-14-2017:
 HTRU2
11-23-2016:
 NIPS Conference Papers 1987-2015
10-17-2016:
 Drug consumption (quantified)
08-14-2016:
 Dota2 Games Results
08-05-2016:
 Facebook metrics
07-15-2016:
 Gas sensors for home activity monitoring
07-04-2016:
 Miskolc IIS Hybrid IPS
06-16-2016:
 UbiqLog (smartphone lifelogging)
05-19-2016:
 Twin gas sensor arrays
05-18-2016:
 Activity Recognition system based on Multisensor data fusion (AReM)
04-11-2016:
 Polish companies bankruptcy data
Most Popular Data Sets (hits since 2007):
1300193:
 Iris
879947:
 Adult
665225:
 Wine
574767:
 Car Evaluation
541547:
 Forest Fires
515142:
 Breast Cancer Wisconsin (Diagnostic)
475328:
 Human Activity Recognition Using Smartphones
453653:
 Wine Quality
453165:
 Heart Disease
450357:
 Abalone
356040:
 Bank Marketing
345790:
 Poker Hand

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