Extracts the estimated measurement errors assuming there is a constant bias and using the original data values.
A matrix or numeric data.frame consisting of an n (no. of items) by N (no. of methods) matrix of measuremnts. N must be >= 3 and n > N.
Errors should have a zero mean and should be Normally distributed with constant variance for a given method.
n x N matrix of estimated measurement errors.
Richard A. Bilonick
Jaech, J. L. (1985) Statistical Analysis of Measurement Errors. New York: Wiley