Graphical Model Description

LinkModel: ecd://Mixnum/Mixed__Number__Subtraction/Evidence__Model__2/
For Task: ecd://Mixnum/Mixed__Number__Subtraction/Simplify-Reduce__Task/

Variables

NameRoleExternal NameOrderedValues
Skill 1SMYes, No,
Skill 2SMYes, No,
Skills1and2EMYes, No,
isCorrectObservableisCorrectCorrect, Incorrect,

Distributions

( Skill 1, Skill 2, ) -> Skills1and2

Type: Fixed Distribution

Probabilities

Skill 1 Skill 2 Yes No
Yes Yes 1.000000 0.000000
Yes No 0.000000 1.000000
No Yes 0.000000 1.000000
No No 0.000000 1.000000

( Skills1and2, ) -> isCorrect

Type: HyperDirichlet Distribution

Parameters

Skills1and2 Correct Incorrect Sum Scale
Yes 20 5 25 25
No 5 20 25.000000 25.000000