.add_modelinfo          Add model information to a
                        personalised-model-ctree
.modelfit               Fit function when model object is given
.prepare_args           Prepare input for ctree/cforest from input of
                        pmtree/pmforest
binomial_glm_plot       Plot for a given logistic regression model (glm
                        with binomial family) with one binary
                        covariate.
coeftable.survreg       Table of coefficients for survreg model
coxph_plot              Survival plot for a given coxph model with one
                        binary covariate.
lm_plot                 Density plot for a given lm model with one
                        binary covariate.
logLik.pmtree           Extract log-Likelihood
node_pmterminal         Panel-Generator for Visualization of pmtrees
objfun                  Objective function
objfun.pmodel_identity
                        Objective function of personalised models
objfun.pmtree           Objective function of a given pmtree
one_factor              Check if model has only one factor covariate.
pmforest                Compute model-based forest from model.
pmodel                  Personalised model
pmtest                  Test if personalised models improve upon base
                        model.
pmtree                  Compute model-based tree from model.
predict.pmtree          pmtree predictions
print.pmtree            Methods for pmtree
rss                     Residual sum of squares
survreg_plot            Survival plot for a given survreg model with
                        one binary covariate.
varimp.pmforest         Variable Importance for pmforest
