Define a Milestone of a Trial

Define a milestone of a trial. This is a user-friendly wrapper for the class constructor Milestones$new. Users who are not familiar with the concept of classes may consider using this wrapper directly.

Usage

milestone(name, type = name, trigger_condition, action = doNothing, ...)

Arguments

name

character. Name of milestone.

type

character vector. Milestone type(s) (futility, interim, final, etc.), an milestone can be of multiple types. This is for information purpose so any string is valid.

trigger_condition

condition to check if this milestone should be triggered.

action

function to execute when the milestone triggers.

...

arguments for trigger_condition.