books.google.de - Growth-curve models are generalized multivariate analysis-of-variance models. The basic idea of the models is to use different polynomials to fit different treatment groups involved in the longitudinal study. It is not uncommon, however, to find outliers and influential observations in growth data that...http://books.google.de/books/about/Growth_Curve_Models_and_Statistical_Diag.html?hl=de&id=fkqQpNCiyh4C&utm_source=gb-gplus-shareGrowth Curve Models and Statistical Diagnostics
