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Lue Ping Zhao, Ross Prentice, Fumin Shen, Li Hsu 

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Presentation on theme: "Lue Ping Zhao, Ross Prentice, Fumin Shen, Li Hsu "— Presentation transcript:

1 On the Assessment of Statistical Significance in Disease-Gene Discovery 
Lue Ping Zhao, Ross Prentice, Fumin Shen, Li Hsu  The American Journal of Human Genetics  Volume 64, Issue 6, Pages (June 1999) DOI: /512072 Copyright © 1999 The American Society of Human Genetics Terms and Conditions

2 Figure 1 Typical pattern of estimated recombination fractions from simulated genome scan with the mixing proportions λ = 0, .25, , and 1.00 (other examples may be simulated online at the Fred Hutchinson Cancer Research Center QGE Website). The American Journal of Human Genetics  , DOI: ( /512072) Copyright © 1999 The American Society of Human Genetics Terms and Conditions

3 Figure 2 Typical pattern of estimated correlation coefficients from a simulated genome scan with mixing proportion λ = .75 The American Journal of Human Genetics  , DOI: ( /512072) Copyright © 1999 The American Society of Human Genetics Terms and Conditions

4 Figure 3 Powers, reliability, TPP, and FPP, for LOD scores of 3.0 and 3.6 in the presence of one major gene. The American Journal of Human Genetics  , DOI: ( /512072) Copyright © 1999 The American Society of Human Genetics Terms and Conditions

5 Figure 4 Powers, reliability, TPP, and FPP, for LOD scores of 3.0 and 3.6 in the presence of two major genes. The American Journal of Human Genetics  , DOI: ( /512072) Copyright © 1999 The American Society of Human Genetics Terms and Conditions

6 Figure 5 Powers and reliability for LOD score of 3.6 under the one-major-gene alternative, with four key parameters varying: (a) the neighborhood parameter for the candidate genomic region is chosen to be ε = 2, 5, 10, or 20 cM; (b) the length of the chromosome is 60, 150, 200, or 300 cM; (c) η = 20, 40, 50, or 100; (d) n = 30, 50, 60, or 100. The American Journal of Human Genetics  , DOI: ( /512072) Copyright © 1999 The American Society of Human Genetics Terms and Conditions

7 Figure 6 Powers and reliability for LOD score 3.6 in the presence of two major genes, with four key parameters varying: (a) n = 30, 50, 60, or 100; (b) η = 20, 40, 50, or 100; (c) length of chromosome is 60, 150, 200, or 300 cM; (d) neighborhood parameter for candidate genomic region is chosen to be ε = 2, 5, 10, or 20 cM. The American Journal of Human Genetics  , DOI: ( /512072) Copyright © 1999 The American Society of Human Genetics Terms and Conditions

8 Figure 7 Typical pattern of LOD scores and Z-scores from a simulated genome scan with the mixing proportion λ = .05 (other examples may be simulated online at the Fred Hutchinson Cancer Research Center QGE Website). The American Journal of Human Genetics  , DOI: ( /512072) Copyright © 1999 The American Society of Human Genetics Terms and Conditions


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