coop


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


datasets

Functions and datasets to support Venables and Ripley,
"Modern Applied Statistics with S" (4th edition, 2002).

Brian Ripley

MASS

Support Functions and Datasets for Venables and Ripley's MASS

coop function

This data frame contains the following columns:
  <dl>
    <dt><code>Lab</code></dt><dd>
      Laboratory, <code>L1</code>, <code>L2</code>, ..., <code>L6</code>.
    </dd> <dt><code>Spc</code></dt><dd>
      Specimen, <code>S1</code>, <code>S2</code>, ..., <code>S7</code>.
    </dd> <dt><code>Bat</code></dt><dd>
      Batch, <code>B1</code>, <code>B2</code>, <code>B3</code> (nested within <code>Spc/Lab</code>),
    </dd> <dt><code>Conc</code></dt><dd>
      Concentration of Analyte in $g/kg$.
    </dd> </dl> 

Format

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

coop: Co-operative Trial in Analytical Chemistry

Description

Usage

Arguments

Format

Source

References

See Also