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Name:

Description:

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

Variables:

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.

Link To Google Sheets:

Rows:

Columns:

License Type:

References/Notes/Attributions:

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.

R Dataset Upload:

Use the following R code to directly access this dataset in R.

d <- read.csv("https://www.key2stats.com/Co-operative_Trial_in_Analytical_Chemistry_1139_66.csv")

R Coding Interface:


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