longitudinal data

  1. J

    Repeated Measures Non-Parametric nparLD Pacakge

    Hi, I'm trying to analyze repeated measurements of body temperature data collected from 7 randomly chosen subjects (e.g. turtles). I am using R, along with the nparLD package. I am using Nonparametric Tests for my LD-F2 Design (http://www.inside-r.org/packages/cran/nparLD/docs/ld.f2) because...
  2. D

    Question about working with longitudinal data and z scores

    I was hoping someone could help me or point me in the right direction. The outcome variable for my study will be change in math scores over 3 years. I standardized the math score for each year by creating z scores. What I don't understand and can't seem to find in the literature is how to...