GetDistance             Euclidean distance between predicted and actual
                        recruitment
GetWeekPredCI           Calculate median recruitment with 95% CI for
                        the next 104 weeks (two years)
LoadData                Load recruitment data.
Time2Nsubjects          Simulate the number of weeks needed to recruit
                        a given number of subjects
gripsYR1                Daily recruitment data for the 1st year of the
                        GRIPS study
gripsYR2                Daily recruitment data for the 2nd year of the
                        GRIPS study
gripsYR2Weekly          Weekly recruitment data for the 2nd year of the
                        GRIPS study
plot.RCTPredCI          Plots RCTPredCI object
