sorry for a cross posting..
I have a little big problem: I have a big dataset (n=6.000.000) with a school variable and year variable, i would like drop or flag the schools that repeated in differents years, I tried to use repeated report but I failed in these task.
I need calculate fixed effect with ancova analysis (spss or genstat).
My experiment was on fishes growth with differents diets (8): 15 fishes in each tank (each diet in triplicated, 3 tanks for each diet, total tanks:24). I need calculate p value for fixed effect: tanks and diets...
I have an experiment for growth with fishes and diet treatment´s in
differents tanks... I have differents diets (8) in 24 tanks, each diet in
triplicated, i want determinated the tanks and diet effects. I had use
genstat and spss for calculate them, but i have some comfussion how...