Tukeys Trend Test via Multiple Marginal Models
Coerce object of class 'tukeytrend' to 'glht'
Combine several pobjects of class 'tukeytrend'
Rescaling dose variables acc. to Tukey et al. (1985)
Coerce objects of class lmerMod or lme to lm
Fit multiple marginal models by updating a given fitted model object w...
Fit multiple marginal models with differently re-scaled dose variable.
Provides wrapper functions to the multiple marginal model function mmm() of package 'multcomp' to implement the trend test of Tukey, Ciminera and Heyse (1985) <DOI:10.2307/2530666> for general parametric models.