arcticwaters {bnRep} | R Documentation |
arcticwaters Bayesian Network
Description
An object-oriented Bayesian network model for the quantitative risk assessment of navigational accidents in ice-covered Arctic waters.
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);
Value
An object of class bn.fit
. Refer to the documentation of bnlearn
for details.
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.