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Welcome to the UC Irvine Machine Learning Repository!

We currently maintain 622 data sets as a service to the machine learning community. You may view all data sets through our searchable interface. 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:
09-24-2018: Welcome to the new Repository admins Dheeru Dua and Efi Karra Taniskidou!
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.
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:  Computer Hardware

Task: Regression
Data Type: Multivariate
# Attributes: 9
# Instances: 209

Relative CPU Performance Data, described in terms of its cycle time, memory size, etc.
Newest Data Sets:
06-05-2021:
 Average Localization Error (ALE) in sensor node localization process in WSNs
05-25-2021:
 9mers from cullpdb
05-18-2021:
 TamilSentiMix
05-02-2021:
 Accelerometer
04-21-2021:
 Synchronous Machine Data Set
04-21-2021:
 Synchronous Machine Data Set
04-20-2021:
 Pedal Me Bicycle Deliveries
04-20-2021:
 Wikipedia Math Essentials
04-20-2021:
 Wikipedia Math Essentials
04-14-2021:
 Turkish Headlines Dataset
04-11-2021:
 Secondary Mushroom Dataset
04-03-2021:
 Power consumption of Tetouan city
Most Popular Data Sets (hits since 2007):
4894356:
 Iris
2577576:
 Adult
2178551:
 Dry Bean Dataset
2010643:
 Wine
1969309:
 Heart Disease
1962477:
 Wine Quality
1950013:
 Rice (Cammeo and Osmancik)
1843536:
 Bank Marketing
1813888:
 Breast Cancer Wisconsin (Diagnostic)
1629001:
 Car Evaluation
1533821:
 Raisin Dataset
1321025:
 Abalone

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