Class BrainParameters
Holds information about the brain. It defines what are the inputs and outputs of the decision process.
Namespace: Unity.MLAgents.Policies
Syntax
public class BrainParameters : objectRemarks
Set brain parameters for an Agent instance using the BehaviorParameters component attached to the agent's GameObject.
Fields
NumStackedVectorObservations
Stacking refers to concatenating the observations across multiple frames. This field indicates the number of frames to concatenate across.
Declaration
public int NumStackedVectorObservationsField Value
| Type | Description |
|---|---|
| Int32 |
VectorActionDescriptions
The list of strings describing what the actions correspond to.
Declaration
public string[] VectorActionDescriptionsField Value
| Type | Description |
|---|---|
| String[] |
VectorActionSize
The size of the action space.
Declaration
public int[] VectorActionSizeField Value
| Type | Description |
|---|---|
| Int32[] | For the continuous action space: the length of the float vector that represents the action. For the discrete action space: the number of branches in the action space. |
Remarks
The size specified is interpreted differently depending on whether the agent uses the continuous or the discrete action space.
VectorActionSpaceType
Defines if the action is discrete or continuous.
Declaration
public SpaceType VectorActionSpaceTypeField Value
| Type | Description |
|---|---|
| SpaceType |
VectorObservationSize
The size of the observation space.
Declaration
public int VectorObservationSizeField Value
| Type | Description |
|---|---|
| Int32 | The length of the vector containing observation values. |
Remarks
An agent creates the observation vector in its CollectObservations(VectorSensor) implementation.
Properties
NumActions
The number of actions specified by this Brain.
Declaration
public int NumActions { get; }Property Value
| Type | Description |
|---|---|
| Int32 |
Methods
Clone()
Deep clones the BrainParameter object.
Declaration
public BrainParameters Clone()Returns
| Type | Description |
|---|---|
| BrainParameters | A new BrainParameter object with the same values as the original. |