Graphical Model Description

Variables

NameRoleExternal NameOrderedValues
Skill 1SMSkill 1Yes, No,
Skill 2SMSkill 2Yes, No,
Skills1and2EMSkills1and2Yes, No,
isCorrectObservableisCorrectCorrect, Incorrect,

Distributions

( Skill 1, Skill 2, ) -> Skills1and2

Type: HyperDirichlet Distribution

Parameters

Skill 1 Skill 2 Yes No
Yes Yes 1.0E9 0.0
Yes No 0.0 1.0E9
No Yes 0.0 1.0E9
No No 0.0 1.0E9

Probabilities

Skill 1 Skill 2 Yes No
Yes Yes 1.0 0.0
Yes No 0.0 1.0
No Yes 0.0 1.0
No No 0.0 1.0

( Skills1and2, ) -> isCorrect

Type: HyperDirichlet Distribution

Parameters

Skills1and2 Correct Incorrect
Yes 23.5 3.5
No 3.5 23.5

Probabilities

Skills1and2 Correct Incorrect
Yes 0.87037 0.12963
No 0.12963 0.87037