glht function for planned comparison why is glht not enough degrees of freedom to define contrasts lvl.treatments=table(treatments) k what function can you use for the planned comparison what is the error in the glht function what kind of expression is lvl.treatments lvl.treatments model can't be used in multipoint can you use glht for planning a comparison how to use glht function in multcomp lvl.stats.table(treatments).k) k = contrMat lvl glht function what is lvl.treatments how to use glht for nested model why lme function cannot be used for planned comparisons lvl.treatments=table(treatments) k which parameter is not sufficient degrees of freedom to create contrasts? what is lvl.treatments how to use glht in lme lvl.treateds.table(dunnett) lme how to use glht in mult