coop

From MASS v7.3-53 by Brian Ripley

Co-operative Trial in Analytical Chemistry

Seven specimens were sent to 6 laboratories in 3 separate batches and each analysed for Analyte. Each analysis was duplicated.

Keywords: datasets

Usage

coop

Format

This data frame contains the following columns:

Lab: Laboratory, L1, L2, …, L6.
Spc: Specimen, S1, S2, …, S7.
Bat: Batch, B1, B2, B3 (nested within Spc/Lab),
Conc: Concentration of Analyte in \(g/kg\).

References

Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.

See Also

chem, abbey.

Documentation reproduced from package MASS, version 7.3-53, License: GPL-2 | GPL-3

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