Data
mushroom

mushroom

active ARFF public Visibility: public Uploaded 04-06-2022 by Mine Gazioglu
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Nursery Database was derived from a hierarchical decision model originally developed to rank applications for nursery schools.

9 features

class (target)nominal5 unique values
0 missing
parentsnominal3 unique values
0 missing
has_nursnominal5 unique values
0 missing
formnominal4 unique values
0 missing
childrennominal4 unique values
0 missing
housingnominal3 unique values
0 missing
financenominal2 unique values
0 missing
socialnominal3 unique values
0 missing
healthnominal3 unique values
0 missing
Show all 9 features

19 properties

NumberOfInstances
12960
Number of instances (rows) of the dataset.
NumberOfFeatures
9
Number of attributes (columns) of the dataset.
NumberOfClasses
5
Number of distinct values of the target attribute (if it is nominal).
NumberOfMissingValues
0
Number of missing values in the dataset.
NumberOfInstancesWithMissingValues
0
Number of instances with at least one value missing.
NumberOfNumericFeatures
0
Number of numeric attributes.
NumberOfSymbolicFeatures
9
Number of nominal attributes.
PercentageOfBinaryFeatures
11.11
Percentage of binary attributes.
PercentageOfInstancesWithMissingValues
0
Percentage of instances having missing values.
PercentageOfMissingValues
0
Percentage of missing values.
AutoCorrelation
0.24
Average class difference between consecutive instances.
PercentageOfNumericFeatures
0
Percentage of numeric attributes.
Dimensionality
0
Number of attributes divided by the number of instances.
PercentageOfSymbolicFeatures
100
Percentage of nominal attributes.
MajorityClassPercentage
33.33
Percentage of instances belonging to the most frequent class.
MajorityClassSize
4320
Number of instances belonging to the most frequent class.
MinorityClassPercentage
0.02
Percentage of instances belonging to the least frequent class.
MinorityClassSize
2
Number of instances belonging to the least frequent class.
NumberOfBinaryFeatures
1
Number of binary attributes.
Show all 19 properties

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