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  1. A

    Transformations

    I have two datasets, before and after the application of a treatment. The treatment is theorised to produce an increase in "factor x", and difference between the two datasets should be a positive value, however due to noise/error etc in the data some of the difference values are negative. In...
  2. N

    Should I transform my response data (count data)? Impact on subsequent analyses?

    Hello, My response variables are derived from count data. I have the biennial winter population counts of a hibernating mammalian species (sites / n =226). My predictor variables are from two time steps (i.e. 1992 and 2001). I created my response variables from the following to correspond...