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    Age and DNA methylation data: HELP NEEDED

    I have data on patient Age as well as change in % DNA methylation levels for promotor regions. I seek to understand the impact of Age on the % change in DNA methylation levels. What is the best way to do this? Paired t-test of Age vs % change in DNA methylation data yields ridiculously high...
  2. C

    Paired t-test question

    Hi, Suppose I have the following data measuring Gene expression (how active the gene is) and blood value (for example Very Low Density Cholesterol, LDL) before and after surgery: Data 1 Patient ....................Gene A Before............ Gene A After......... Gene A % Difference (...