R, Statistics, Data Science.
a model denoted as: An ‘observation vector’ is a set of observations measured over several variables. With p variables, y_{ij} becomes: Thus, for the r-th variable in (r=1,2,⋯,p)(r = 1, 2, ⋯, p) in each vector y_{ij}, the model takes the form: As before in ANOVA, the goal is to compare the groups