1. K

    Ratio for comparison between groups and correlation analyses

    I'm trying to compare two groups on their ratio between two scores and then investigate the correlation of this ratio for each participant with scores obtained on other tests. What would be an appropriate way of calculating this ratio and what statistical test would I then use to see if there is...
  2. C

    Dealing with linear dependent variables

    I have a large dataset with many subject each with responses from a consecutive year going back 10 years (ie 100,000 persons per year (not necessarily 10 data points per person as they may not have been part of the study in prior years) dating back 10 years). I have data on each specific...