Center for Machine Learning and Intelligent Systems
About  Citation Policy  Donate a Data Set  Contact


Repository Web            Google
View ALL Data Sets

× Check out the beta version of the new UCI Machine Learning Repository we are currently testing! Contact us if you have any issues, questions, or concerns. Click here to try out the new site.

Browse Through:

Default Task - Undo

Classification (22)
Regression (1)
Clustering (2)
Other (2)

Attribute Type - Undo

Categorical (22)
Numerical (213)
Mixed (31)

Data Type - Undo

Multivariate (22)
Univariate (0)
Sequential (2)
Time-Series (0)
Text (0)
Domain-Theory (2)
Other (1)

Area

Life Sciences (8)
Physical Sciences (1)
CS / Engineering (1)
Social Sciences (5)
Business (0)
Game (3)
Other (4)

# Attributes

Less than 10 (11)
10 to 100 (11)
Greater than 100 (0)

# Instances

Less than 100 (5)
100 to 1000 (11)
Greater than 1000 (5)

Format Type - Undo

Matrix (22)
Non-Matrix (3)

22 Data Sets

Table View  List View


1. Audiology (Standardized): Standardized version of the original audiology database

2. Balance Scale: Balance scale weight & distance database

3. Balloons: Data previously used in cognitive psychology experiment; 4 data sets represent different conditions of an experiment

4. Breast Cancer: Breast Cancer Data (Restricted Access)

5. Car Evaluation: Derived from simple hierarchical decision model, this database may be useful for testing constructive induction and structure discovery methods.

6. Chess (King-Rook vs. King-Pawn): King+Rook versus King+Pawn on a7 (usually abbreviated KRKPA7).

7. Hayes-Roth: Topic: human subjects study

8. Lenses: Database for fitting contact lenses

9. Lymphography: This lymphography domain was obtained from the University Medical Centre, Institute of Oncology, Ljubljana, Yugoslavia. (Restricted access)

10. MONK's Problems: A set of three artificial domains over the same attribute space; Used to test a wide range of induction algorithms

11. Mushroom: From Audobon Society Field Guide; mushrooms described in terms of physical characteristics; classification: poisonous or edible

12. Nursery: Nursery Database was derived from a hierarchical decision model originally developed to rank applications for nursery schools.

13. Primary Tumor: From Ljubljana Oncology Institute

14. Shuttle Landing Control: Tiny database; all nominal values

15. Soybean (Large): Michalski's famous soybean disease database

16. Soybean (Small): Michalski's famous soybean disease database

17. SPECT Heart: Data on cardiac Single Proton Emission Computed Tomography (SPECT) images. Each patient classified into two categories: normal and abnormal.

18. Tic-Tac-Toe Endgame: Binary classification task on possible configurations of tic-tac-toe game

19. Trains: 2 data formats (structured, one-instance-per-line)

20. Congressional Voting Records: 1984 United Stated Congressional Voting Records; Classify as Republican or Democrat

21. LED Display Domain: From Classification and Regression Trees book; We provide here 2 C programs for generating sample databases

22. Connect-4: Contains connect-4 positions


Supported By:

 In Collaboration With:

About  ||  Citation Policy  ||  Donation Policy  ||  Contact  ||  CML