addControl is a generic function used to add a control group to
a simulated patient cohort. Implementations exists for a
CancerModel and for a CancerEngine.
# S4 method for ANY
addControl(object, fraction = 0.5, ...)
# S4 method for CancerModel
addControl(object, fraction = 0.5, ...)
# S4 method for CancerEngine
addControl(object, fraction = 0.5, ...)Returns a new object of the same class as its first argument.
an object to which adding a contrl group is desired
a real number between zero oand one; the fraction of the final cohort that shoudl consist of controls
additional arguments; not yet used
Kevin R. Coombes krc@silicovore.com,