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Table 1 Simulation parameter settings for the single-locus simulations

From: TDT-HET: A new transmission disequilibrium test that incorporates locus heterogeneity into the analysis of family-based association data

Item

Parameter

Setting

1

MOI

Dominant, Recessive, Multiplicative

2

Ï•

0.05, 0.15

3

R 2

1.0 (Null), 2.25

4

Ï€ 1

0.25, 0.50, 0.75, 1.0

5

p

0.10, 0.25, 0.50, 0.75, 0.90

6

Number of trios

1000

7

Number of permutations per statistic

500

8

Number of starting points

200

9

Number of EM steps per starting point

100

10

ε

10-6

11

Penalty C in EM algorithm (Equation (1))

0.001

12

Number of replicates per vector (Items 1-3)

250

  1. MOI = Mode of inheritance
  2. Ï• = Disease prevalence
  3. R 2 = Genotype relative risk for disease allele homozygote
  4. π 1 = Proportion of linked trios
  5. p = Disease allele frequency
  6. ε = Tolerance