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  1. J

    Which statistical test to use for comparison of multiple regression coefficients?

    Hi, So I've attached a tab-delimited text file containing some data. The X values are Ved and the Y values are Ped. My grouping variables are "Genotype", "Sex" and "Treatment". Only one genotype is listed in the file I added though. "Animal ID" refers to the experimental unit. For each...
  2. J

    Which statistical test to use for comparison of multiple regression coefficients?

    Hi, This is just an illustration. Not actual data. I can throw together a speadsheet with actual data and show you, if that helps. Thanks for helping.
  3. J

    Which statistical test to use for comparison of multiple regression coefficients?

    Hi, Yes. Simple linear regression Y = ax+b.
  4. J

    Which statistical test to use for comparison of multiple regression coefficients?

    Hi, Brief description of my problem: My data consists of physiological data from animal experiments. For each animal I have conducted multiple experiments and the data are best described by linear regression. I wish to compare the regression coefficients (slopes) between my 4 groups. I've...