Action                  An action in a decision tree
Arborescence            A rooted directed tree
Arrow                   A directed edge in a digraph
BetaDistribution        A parametrized Beta Distribution
BetaModVar              A model variable whose uncertainty follows a
                        Beta distribution
BriggsEx47              Probabilistic results of HIV model
ChanceNode              A chance node in a decision tree
ConstModVar             A constant model variable
DecisionNode            A decision node in a decision tree
DecisionTree            A decision tree
Digraph                 A directed graph
DiracDistribution       A Dirac delta function
DirichletDistribution   A parametrized Dirichlet distribution
Distribution            A probability distribution
Edge                    An edge in a graph
EmpiricalDistribution   An empirical distribution
ExprModVar              A model variable constructed from an expression
                        of other variables
GammaDistribution       A parametrized Gamma distribution
GammaModVar             A model variable whose uncertainty follows a
                        Gamma distribution
Graph                   An undirected graph
LeafNode                A leaf node in a decision tree
LogNormDistribution     A parametrized log Normal probability
                        distribution
LogNormModVar           A model variable whose uncertainty follows a
                        log Normal distribution
MarkovState             A state in a Markov model
ModVar                  A model variable incorporating uncertainty
Node                    A node in a graph
NormModVar              A model variable whose uncertainty follows a
                        Normal distribution
NormalDistribution      A parametrized Normal distribution
Reaction                A reaction (chance) edge in a decision tree
SemiMarkovModel         A semi-Markov model for cohort simulation
Stack                   A stack
Transition              A transition in a semi-Markov model
gbp                     Write a monetary value
tornado_plot            Draw a tornado diagram.
