A method is presented to construct age-reference curves for skinfolds and skinfold sums on longitudinal data, using the Box-Cox transformation: (xλ - 1)/λ. The method consists of seven steps: 1.

SIAM Journal on Numerical Analysis, Vol. 39, No. 6 (2002), pp. 1865-1888 (24 pages) We present a general error estimation framework for a finite volume element (FVE ...