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

We currently maintain 171 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:
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
04-13-2007: Research papers that cite the repository have been associated to specific data sets.
04-09-2007: Three new data sets have been added: Poker Hand, CalIt2 Building People Counts, Dodgers Loop Sensor.
09-08-2006: The Beta site has been launched.
09-01-2006: SPECTF.test has been modified by the donor.
08-28-2006: PHP faceted browse has been implemented.


Featured Data Set:  Automobile

Task: Regression
Data Type: Multivariate
# Attributes: 26
# Instances: 205

From 1985 Ward's Automotive Yearbook
Newest Data Sets:
03-20-2008:
 Hill-Valley
03-12-2008:
 Bag of Words
03-08-2008:
 Reuters Transcribed Subset
02-29-2008:
 Madelon
02-29-2008:
 Dexter
02-29-2008:
 Arcene
02-29-2008:
 Gisette
02-29-2008:
 Forest Fires
02-29-2008:
 Dorothea
10-29-2007:
 Mammographic Mass
08-03-2007:
 Concrete Compressive Strength
Most Popular Data Sets (hits since 2007):
19362:
 Iris
15926:
 Adult
12341:
 Wine
12121:
 Breast Cancer Wisconsin (Diagnostic)
9900:
 Poker Hand
9408:
 Abalone
7272:
 Internet Advertisements
7117:
 UJI Pen Characters
6744:
 Yeast
5791:
 Australian Sign Language signs (High Quality)
5507:
 SPECT Heart

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