[[,plan-method          Extract Something From a plan Object
[[<-,plan-method        Replace Parts of a plan Object
as.burndown             Create a burndown object
as.gantt                Create a gantt object.
burndown                Sample burndown dataset
burndown-class          Class to store burndown objects
check.tokens            check tokens
gantt                   Sample gantt dataset
gantt-class             Class to store gantt objects
ganttAddTask            Add a task to a gantt object
plan-class              Base Class for plan Objects
plot,burndown-method    Draw a burndown chart
plot,gantt-method       Draw a Gantt diagram
read.burndown           Scan burndown data file
read.gantt              Read a gantt data file
summary,burndown-method
                        Summarize a burndown object
summary,gantt-method    Summarize a gantt object
