process.sd: Compute process standard deviation

Description Usage Arguments Details Value Author(s) References See Also Examples

Description

This function computes the process standard deviation and is used internally by the function precision.grubbs.ncb.od.

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.

Details

The process standard deviation is the standard deviation of the true values uncontaminated by measurement error. See Jaech, p. 185.

Value

A scalar containing the method of moments estimate of the process standard deviation.

Author(s)

Richard A. Bilonick

References

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

See Also

precision.grubbs.ncb.od

Examples

1
2
data(pm2.5)
process.sd(pm2.5) # estimate of the sd of the "true values using the method of moments")

merror documentation built on May 29, 2017, 5:53 p.m.

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