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

We currently maintain 474 data sets as a service to the machine learning community. You may view all data sets through our searchable interface. 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:
09-24-2018: Welcome to the new Repository admins Dheeru Dua and Efi Karra Taniskidou!
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.
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:  Pseudo Periodic Synthetic Time Series

Data Type: Univariate, Time-Series
# Instances: 100000

This data set is designed for testing indexing schemes in time series databases. The data appears highly periodic, but never exactly repeats itself.
Newest Data Sets:
05-07-2019:
 Metro Interstate Traffic Volume
04-22-2019:
 Facebook Live Sellers in Thailand
04-15-2019:
 Gas sensor array temperature modulation
04-14-2019:
 Rice Leaf Diseases
04-10-2019:
 Parkinson Dataset with replicated acoustic features
04-08-2019:
 Labeled Text Forum Threads Dataset
01-07-2019:
 EMG data for gestures
01-02-2019:
 Parking Birmingham
12-19-2018:
 Tarvel Review Ratings
12-19-2018:
 Travel Reviews
12-12-2018:
 Behavior of the urban traffic of the city of Sao Paulo in Brazil
11-30-2018:
 2.4 GHZ Indoor Channel Measurements
Most Popular Data Sets (hits since 2007):
2623009:
 Iris
1493985:
 Adult
1153947:
 Wine
982084:
 Car Evaluation
941718:
 Wine Quality
928672:
 Breast Cancer Wisconsin (Diagnostic)
925750:
 Heart Disease
888956:
 Bank Marketing
828831:
 Human Activity Recognition Using Smartphones
782883:
 Abalone
754660:
 Forest Fires
528506:
 Poker Hand

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