Mushroom

Donated on 4/27/1987

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

Dataset Characteristics

Multivariate

Subject Area

Life

Associated Tasks

Classification

Attribute Type

Categorical

# Instances

8124

# Attributes

22

Information

Additional Information

This data set includes descriptions of hypothetical samples corresponding to 23 species of gilled mushrooms in the Agaricus and Lepiota Family (pp. 500-525). Each species is identified as definitely edible, definitely poisonous, or of unknown edibility and not recommended. This latter class was combined with the poisonous one. The Guide clearly states that there is no simple rule for determining the edibility of a mushroom; no rule like ``leaflets three, let it be'' for Poisonous Oak and Ivy.

Has Missing Values

Symbol: 1

Features

Attribute NameRoleTypeDescriptionUnitsMissing Values
poisonousTargetCategoricalfalse
cap-shapeFeatureCategoricalfalse
cap-surfaceFeatureCategoricalfalse
cap-colorFeatureCategoricalfalse
bruisesFeatureCategoricalfalse
odorFeatureCategoricalfalse
gill-attachmentFeatureCategoricalfalse
gill-spacingFeatureCategoricalfalse
gill-sizeFeatureCategoricalfalse
gill-colorFeatureCategoricalfalse

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Baseline Model Performance

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