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:  Trains

Task: Classification
Data Type: Multivariate
# Attributes: 32
# Instances: 10

2 data formats (structured, one-instance-per-line)
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):
517727:
 Iris
363086:
 Adult
311961:
 Wine
258474:
 Breast Cancer Wisconsin (Diagnostic)
249748:
 Car Evaluation
201888:
 Abalone
171271:
 Poker Hand
156399:
 Wine Quality
146391:
 Forest Fires
131392:
 Heart Disease

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