Inference

• Given exact values for evidence variables

• Compute posterior probability of query variable

Burglary

MaryCall

JonCalls

Alarm

Earthq

P(B)

.001

P(E)

.002

A

T

F

P(J)

.90

.05

A

T

F

P(M)

.70

.01

E

T

F

T

F

P(A)

.95

.94

.29

.01

B

T

T

F

F

• Diagnostic
  • effects to causes

• Causal
  • causes to effects

• Intercausal
  • between causes of common effect
  • explaining away

• Mixed

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