Hayes-Roth

Donated on 2/28/1989

Topic: human subjects study

Dataset Characteristics

Multivariate

Subject Area

Social Science

Associated Tasks

Classification

Feature Type

Categorical

# Instances

160

# Features

4

Dataset Information

Additional Information

This database contains 5 numeric-valued attributes. Only a subset of 3 are used during testing (the latter 3). Furthermore, only 2 of the 3 concepts are "used" during testing (i.e., those with the prototypes 000 and 111). I've mapped all values to their zero-indexing equivalents. Some instances could be placed in either category 0 or 1. I've followed the authors' suggestion, placing them in each category with equal probability. I've replaced the actual values of the attributes (i.e., hobby has values chess, sports and stamps) with numeric values. I think this is how the authors' did this when testing the categorization models described in the paper. I find this unfair. While the subjects were able to bring background knowledge to bear on the attribute values and their relationships, the algorithms were provided with no such knowledge. I'm uncertain whether the 2 distractor attributes (name and hobby) are presented to the authors' algorithms during testing. However, it is clear that only the age, educational status, and marital status attributes are given during the human subjects' transfer tests.

Has Missing Values?

No

Variables Table

Variable NameRoleTypeDemographicDescriptionUnitsMissing Values
nameIDIntegerno
hobbyFeatureIntegerno
ageFeatureIntegerAgeno
educational levelFeatureIntegerEducation Levelno
marital statusFeatureIntegerMarital Statusno
classTargetCategoricalno

0 to 6 of 6

Additional Variable Information

-- 1. name: distinct for each instance and represented numerically -- 2. hobby: nominal values ranging between 1 and 3 -- 3. age: nominal values ranging between 1 and 4 -- 4. educational level: nominal values ranging between 1 and 4 -- 5. marital status: nominal values ranging between 1 and 4 -- 6. class: nominal value between 1 and 3

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Creators

Barbara Hayes-Roth

Frederick Hayes-Roth

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