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  • How to use f statistics test in snp panal data?

    Hello,

    I am doing admixture analysis. How can I do f statistics test in snp panal data?

  • #2
    First, we examine the joint distribution of a pair of SNPs in cases and controls separately. Second, an F-test is used to evaluate the ratio of dependence in cases to that of controls. Finally, results are adjusted for multiple tests. This method was used to evaluate gene-gene interactions that are associated with risk of Type 2 Diabetes among African Americans in the Howard University Family Study. We identified 18 gene-gene interactions (P < 0.0001). Compared with the commonly-used logistical regression method, we demonstrate that the F-ratio test is an efficient approach to measuring gene-gene interactions, especially for studies with limited sample size.

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    • #3
      In statistical analysis, the F-statistic is commonly used to test the overall significance of a group of variables in a regression model. However, without more specific information about your SNP panel data and the specific research question you are addressing, it's challenging to provide detailed guidance. Nonetheless, I can offer you a general outline of how to use the F-statistic in the context of SNP panel data analysis:
      1. Formulate your hypothesis: Determine the specific research question you want to address with your SNP panel data. For example, you may want to examine the relationship between multiple SNPs and a particular outcome.
      2. Set up your regression model: Construct a regression model that includes the relevant SNP variables as independent variables and the outcome variable as the dependent variable. Ensure you appropriately account for potential confounding factors and other covariates in your model.

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