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compositions (version 1.01-1)

WhiteCells: White-cell composition of 30 blood samples by two different methods

Description

In 30 blood samples portions of three kinds of white cells
  • G:
{granulocytes,} L:{lymphocytes,} M:{monocytes,}

Usage

data(WhiteCells)

Arguments

format

A 30x6 matrix

source

Aitchison: CODA microcomputer statistical package, 1986, the file name WCELLS.DAT, here included under the GNU Public Library Licence Version 2 or newer.

Details

In an experiment each of 30 blood samples was halved, one half being assigned randomly to one method, the other half to the other method. We have 60 cases of 3-part compositions but these are essentially 30 pairs of related compositions. All 3-part portions sums to one, except for some rounding errors.

References

Aitchison, J. (1986) The Statistical Analysis of Compositional Data, 1986 (Data 9) pp16.