WestadF.MartensH., J. Near Infrared Spectrosc. 8, 117 (2000).
3.
WestadF.ByströmM.MartensH., in Near Infrared Spectroscopy: Proceedings of the 9th International Conference, Ed by DaviesA.M.C.GiangiacomoR.NIR Publications, Chichester, p. 247 (2000).
4.
EfronB.TibshiraniR.J., An Introduction to the Bootstrap. Chapman and Hall, New York (1993).