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Default Task

Classification (5)
Regression (0)
Clustering (0)
Other (2)

Attribute Type - Undo

Categorical (7)
Numerical (40)
Mixed (13)

Data Type

Multivariate (5)
Univariate (0)
Sequential (1)
Time-Series (0)
Text (1)
Domain-Theory (0)
Other (0)

Area - Undo

Life Sciences (15)
Physical Sciences (2)
CS / Engineering (4)
Social Sciences (7)
Business (0)
Game (3)
Other (7)

# Attributes

Less than 10 (5)
10 to 100 (1)
Greater than 100 (0)

# Instances

Less than 100 (2)
100 to 1000 (1)
Greater than 1000 (4)

Format Type

Matrix (5)
Non-Matrix (2)

7 Data Sets

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Name

Data Types

Default Task

Attribute Types

# Instances

# Attributes

Year
 

Car Evaluation

Multivariate 

Classification 

Categorical 

1728 

6 

1997 
 

Lenses

Multivariate 

Classification 

Categorical 

24 

4 

1990 
 

MONK's Problems

Multivariate 

Classification 

Categorical 

432 

7 

1992 
 

Trains

Multivariate 

Classification 

Categorical 

10 

32 

1994 
 

Connectionist Bench (Nettalk Corpus)

Multivariate 

 

Categorical 

20008 

4 

 
 

Reuters-21578 Text Categorization Collection

Text 

Classification 

Categorical 

21578 

5 

1997 
 

Entree Chicago Recommendation Data

Transactional, Sequential 

Recommender-Systems 

Categorical 

50672 

 

2000 

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