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12.3.20 Category


   This represents a discrete value. A collection of Category instances defines the values that may or may not be annotated with a mining attribute.

   Superclasses

   ModelElement

   Attributes

   value

   Constraint on value: DataType must define equality operator. type: Any multiplicity: exactly one

   isNullCategory

   This optional attribute is set to true if the Category being specified is the null category. This special category value can be used to represent “unknown? prediction by a model. The default value is “false.?

   type: boolean

   multiplicity: exactly one

   displayName

   The displayName is a string that may be used by applications to refer to this category. type: String multiplicity: exactly one

   property

   This identifies the role of this Category instance. type: CategoryProperty (valid | invalid | missing) multiplicity: exactly one

   prior

   This contains the prior probability associated with this Category, if any. type: Double multiplicity: exactly one