Computes Grubbs' method of moments estimators of precision for the constant bias model using paired differences.

Description

This is an internal function that computes Grubbs' method of moments estimators of precision for the constant bias model using paired differences

Usage

1

Arguments

x

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.

Details

See Jaech 1985, Chapters 3 & 4, p. 144 in particular.

Value

Estimated squared imprecision estimates (variances).

Author(s)

Richard A. Bilonick

References

Jaech, J. L. (1985) Statistical Analysis of Measurement Errors. New York: Wiley.

See Also

precision.grubbs.ncb.od, ncb.od, cb.pd,lrt

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