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Table 3 Structure inference algorithm output (log Pr (X | K)) (denoted: Ln Prob) with Dirichlet parameter (α) estimating the number of populations (K) in our sample, K = 1 to 5.

From: Evaluation of self-reported ethnicity in a case-control population: the stroke prevention in young women study

 

Combined Population

Caucasians

African Americans

 

Ln Prob

alpha

Ln Prob

alpha

Ln Prob

alpha

K = 1

-22523.9

n/a

-11068.1

n/a

-9169.1

n/a

K = 2

-20016.5

0.1541

-10738.3

0.0452

-8996.2

0.4928

K = 3

-19714.9

0.1059

-10671.9

0.0427

-9114.7

0.4271

K = 4

-19557.2

0.0481

-10585.0

0.0414

-9162.3

0.0957

K = 5

-19543.9

0.0482

-10633.8

0.0433

-9051.7

4.9466