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

We currently maintain 295 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. We have also set up a mirror site for the Repository.

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Latest News:
2013-04-04: Welcome to the new Repository admins Kevin Bache and Moshe Lichman!
2010-03-01: Note from donor regarding Netflix data
2009-10-16: Two new data sets have been added.
2009-09-14: Several data sets have been added.
2008-07-23: Repository mirror has been set up.
2008-03-24: New data sets have been added!
2007-06-25: Two new data sets have been added: UJI Pen Characters, MAGIC Gamma Telescope


Featured Data Set:  Forest Fires

Task: Regression
Data Type: Multivariate
# Attributes: 13
# Instances: 517

This is a difficult regression task, where the aim is to predict the burned area of forest fires, in the northeast region of Portugal, by using meteorological and other data (see details at: http://www.dsi.uminho.pt/~pcortez/forestfires).
Newest Data Sets:
2014-07-25:
 REALDISP Activity Recognition Dataset
2014-07-22:
 Perfume Data
2014-06-18:
 Gesture Phase Segmentation
2014-06-12:
 Parkinson Speech Dataset with Multiple Types of Sound Recordings
2014-06-01:
 Tennis Major Tournament Match Statistics
2014-05-29:
 BlogFeedback
2014-05-20:
 StoneFlakes
2014-05-20:
 Bach Choral Harmony
2014-05-03:
 Diabetes 130-US hospitals for years 1999-2008
2014-04-11:
 Twitter Data set for Arabic Sentiment Analysis
2014-03-31:
 Wholesale customers
2014-03-27:
 Urban Land Cover
Most Popular Data Sets (hits since 2007):
594282:
 Iris
415071:
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354798:
 Wine
289350:
 Breast Cancer Wisconsin (Diagnostic)
287953:
 Car Evaluation
231993:
 Abalone
191535:
 Poker Hand
187640:
 Wine Quality
167715:
 Heart Disease
164584:
 Forest Fires
148527:
 Internet Advertisements
141589:
 Yeast

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