Contrasts between levels and standard errors of such contrasts can be calculated as they would in the standard design matrix case, i.e., using: (3)\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document} $$ {\beta_{i}^{c}} = \vec{c}\,^{t} \vec{\beta_{i}} $$ \end{document}βic=c→tβi→
