ChoiceOption Class

Definition

Namespace:

Microsoft.ML.SearchSpace.Option

Assembly:

Microsoft.ML.SearchSpace.dll

Package:

Microsoft.ML.AutoML v0.21.1

This class represent option for discrete value, such as string, enum, etc..

[System.Text.Json.Serialization.JsonConverter(typeof(Microsoft.ML.SearchSpace.Converter.ChoiceOptionConverter))]
public sealed class ChoiceOption : Microsoft.ML.SearchSpace.Option.OptionBase

[<System.Text.Json.Serialization.JsonConverter(typeof(Microsoft.ML.SearchSpace.Converter.ChoiceOptionConverter))>]
type ChoiceOption = class
    inherit OptionBase

Public NotInheritable Class ChoiceOption
Inherits OptionBase

Inheritance

Object

OptionBase

ChoiceOption

Attributes

JsonConverterAttribute

Constructors

ChoiceOption(Object[])	Create ChoiceOption with choices
ChoiceOption(Object[], Object)	Create ChoiceOption with choices and defaultChoice.

Properties

Choices	Get all choices.
Default	Gets the default value which is mapping to feature space (if exists). (Inherited from OptionBase)
FeatureSpaceDim	the dimension of feature space, which is equal to the output length of SampleFromFeatureSpace(Double[]).
Step	Gets the step of this option. The Step is used to determine the number of grid this option should be divided into. In ChoiceOption, it's always the length of Choices. And in UniformNumericOption, it's always [null]. And in SearchSpace, it's a combination of all Step in its options.

Methods

MappingToFeatureSpace(Parameter)	mapping value to [0, 1) uniform distribution.
SampleFromFeatureSpace(Double[])	sample from [0,1) uniform distribution.