S4 class SetOfTimePoints representing a set of designs with given time points
.Dataa numerics array of 2 dimensions ( nTimePointChoices x nTimePointsSelect) contains per time point choice the selected time points in hours
fullTimePointsnumeric vector of all time points one is willing to consider
nFullTimePointsnumber of all time points one is willing to consider
nTimePointsSelectnumber of time points selected from the fullTimePoints
nTimePointOptionsnumber of possible timePoint choices
rankingis a data.frame which is the rank of the timePointChoices according to a specific criterion.