Improving Forensic Identification in Bayesian Networks : Accounting for Population Substructure. Amanda B. Hepler. Outline. Population Substructure (PS) Bayesian Networks Introduction Incorporating PS into Paternity Networks Example. What Is Population Substructure?.
Amanda B. Hepler
- measures the extent of common ancestry
0.1What is a Bayesian Network (BN)?
Genotype Nodes(A1A1, A1A2, A2A2)
Allele/Gene Nodes(A1, A2)
ChildGenotype and Allele Nodes
PF’s Paternal Gene
PF’s GenotypeProbability Tables for Genotype and Allele Nodes
Hypothesis Node (Yes, No)Original Paternity Network2
is the value of n1 after founder 2
is the value of n1 after founder 3, etc.
now depends on
This same result can be obtained using HUGIN: