R Dataset / Package MASS / coop

Submitted by pmagunia on March 9, 2018 - 1:06 PM
Dataset License
GNU General Public License v2.0
Attachment Size
dataset-84618.csv 4.81 KB
Documentation

Co-operative Trial in Analytical Chemistry

Description

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

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.

Source

Analytical Methods Committee (1987) Recommendations for the conduct and interpretation of co-operative trials, The Analyst 112, 679–686.

References

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

See Also

chem, abbey.

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Dataset imported from https://www.r-project.org.

Documentation License
GNU General Public License v2.0

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