Themotivationtowritethisbookcameafewyearsbackwhenacolleaguefromoneoftheengineeringdepartments(UniversityofLouisianaatLafayette)approacheduswithaproblemthatrequiredmodelingareallifedatasetwhichlookedhighlypositivelyskewed.Therearemanygoodstatisticsbooksavailableonareaslikesurvival