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

We currently maintain 269 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:  Corel Image Features

Data Type: Multivariate
# Attributes: 89
# Instances: 68040

This dataset contains image features extracted from a Corel image collection. Four sets of features are available based on the color histogram, color histogram layout, color moments, and co-occurence
Newest Data Sets:
01-09-2014:
 SML2010
12-20-2013:
 Bike Sharing Dataset
12-12-2013:
 Predict keywords activities in a online social media
11-24-2013:
 Weight Lifting Exercises monitored with Inertial Measurement Units
11-13-2013:
 Thoracic Surgery Data
10-28-2013:
 Activities of Daily Living (ADLs) Recognition Using Binary Sensors
10-23-2013:
 Gas Sensor Array Drift Dataset at Different Concentrations
10-22-2013:
 SkillCraft1 Master Table Dataset
10-16-2013:
 YouTube Multiview Video Games Dataset
10-13-2013:
 USPTO Algorithm Challenge, run by NASA-Harvard Tournament Lab and TopCoder Problem: Pat
Most Popular Data Sets (hits since 2007):
519400:
 Iris
364067:
 Adult
312588:
 Wine
259463:
 Breast Cancer Wisconsin (Diagnostic)
250373:
 Car Evaluation
202542:
 Abalone
171643:
 Poker Hand
156916:
 Wine Quality
146746:
 Forest Fires
132109:
 Heart Disease

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