arcticwaters: arcticwaters Bayesian Network

Description

An object-oriented Bayesian network model for the quantitative risk assessment of navigational accidents in ice-covered Arctic waters.

Arguments

Value

An object of class bn.fit. Refer to the documentation of bnlearn for details.

Format

A discrete Bayesian network for the quantitative risk assessment of multiple navigational accidents in ice-covered Arctic waters. Probabilities were given within the referenced paper. The vertices are:

AidNavigationFailure: (No, Yes);
AirTemperature: (<0 degrees, >0 degrees);
C_BesettingInIce: (Significant, Severe, Catastrophic);
C_Collision: (Significant, Severe, Catastrophic);
C_Grounding: (Significant, Severe, Catastrophic);
C_ShipIceCollision: (Significant, Severe, Catastrophic);
ChannelDepth: (Inadequate, Adequate);
ChartUpdating: (No, Yes);
CommunicationEquipmentFailure: (No, Yes);
DriftIce: (No, Yes);
EnvironmentalObstacles: (No, Yes);
Fatigued: (No, Yes);
Fog: (No, Yes);
GrossTonnage: ((0,500], (500,3000], (3000,10000], >10000);
IceConcentration: (<3/10, 4/10-6/10, >7/10);
IceCondition: (Poor, Good);
IceStrength: (Low, Medium, High);
IceThickness: (<0.5m, >0.5m);
IceType: (Thin Ice, Medium Ice, Old Ice);
InadequateKnowledge: (No, Yes);
JudgmentFailure: (No, Yes);
LackCommunication: (No, Yes);
LackSafetyMeasures: (No, Yes);
LackSituationalAwareness: (No, Yes);
MechanicalEquipmentFailure: (No, Yes);
NavigatorFailure: (No, Yes);
Negligence: (No, Yes);
P_BesettingInIce: (No, Yes);
P_Collision: (No, Yes);
P_Grounding: (No, Yes);
P_ShipIceCollision: (No, Yes);
PowerFailure: (No, Yes);
PropellerFailure: (No, Yes);
RadarFailure: (No, Yes);
Rain: (No, Yes);
SeaCurrent: (No, Yes);
SeaTemperature: (<0 degrees, >0 degrees);
ShipType: (Oil Tanker, General Cargo Ship, Passenger Ship, Icebreaker, Others);
SteeringFailure: (No, Yes);
StrongWind: (No, Yes);
UnsafeAct: (No, Yes);
UnsafeCondition: (No, Yes);
UnsafeSpeed: (No, Yes);
Visibility: (Poor, Good);
WaterwayCondition: (Poor, Good);
WeatherCondition: (Poor, Good);

References

Fu, S., Zhang, Y., Zhang, M., Han, B., & Wu, Z. (2023). An object-oriented Bayesian network model for the quantitative risk assessment of navigational accidents in ice-covered Arctic waters. Reliability Engineering & System Safety, 238, 109459.