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

We currently maintain 557 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:  SPECT Heart

Task: Classification
Data Type: Multivariate
# Attributes: 22
# Instances: 267

Data on cardiac Single Proton Emission Computed Tomography (SPECT) images. Each patient classified into two categories: normal and abnormal.
Newest Data Sets:
07-22-2020:
 Facebook Large Page-Page Network
07-17-2020:
 Amphibians
07-12-2020:
 Early stage diabetes risk prediction dataset.
06-28-2020:
 Taiwanese Bankruptcy Prediction
06-20-2020:
 South German Credit (UPDATE)
06-17-2020:
 BitcoinHeistRansomwareAddressDataset
06-16-2020:
 Crop mapping using fused optical-radar data set
06-16-2020:
 Swarm Behaviour
06-15-2020:
 selfBACK
06-10-2020:
 HCV data
06-09-2020:
 IIWA14-R820-Gazebo-Dataset-10Trajectories
06-05-2020:
 Guitar Chords finger positions
Most Popular Data Sets (hits since 2007):
3467932:
 Iris
1893596:
 Adult
1462858:
 Wine
1303195:
 Breast Cancer Wisconsin (Diagnostic)
1283003:
 Heart Disease
1278921:
 Wine Quality
1250344:
 Bank Marketing
1220784:
 Car Evaluation
1017948:
 Human Activity Recognition Using Smartphones
962346:
 Abalone
905363:
 Forest Fires
743016:
 Student Performance

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