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

We currently maintain 332 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:  Yeast

Task: Classification
Data Type: Multivariate
# Attributes: 8
# Instances: 1484

Predicting the Cellular Localization Sites of Proteins
Newest Data Sets:
08-04-2015:
 Mice Protein Expression
07-29-2015:
 Smartphone-Based Recognition of Human Activities and Postural Transitions
07-27-2015:
 Cuff-Less Blood Pressure Estimation
07-11-2015:
 Taxi Service Trajectory - Prediction Challenge, ECML PKDD 2015
07-05-2015:
 Folio
07-03-2015:
 Chronic_Kidney_Disease
06-06-2015:
 Machine Learning based ZZAlpha Ltd. Stock Recommendations 2012-2014
05-31-2015:
 Online News Popularity
05-30-2015:
 Sentiment Labelled Sentences
05-25-2015:
 Forest type mapping
Most Popular Data Sets (hits since 2007):
764816:
 Iris
536488:
 Adult
445561:
 Wine
375677:
 Car Evaluation
353723:
 Breast Cancer Wisconsin (Diagnostic)
295190:
 Abalone
257824:
 Wine Quality
249223:
 Heart Disease
238098:
 Poker Hand
216098:
 Human Activity Recognition Using Smartphones

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