Metabolites {compositions} | R Documentation

## Steroid metabolite patterns in adults and children

### Description

Data shows the urinary excretion (mg/24 hours) of 37 normal adults and 30 normal children of

- total cortisol meatbolites,
- total corticosterone meatbolites,
- total pregnanetriol and $Delta$-5-pregnentriol.

  ### Usage

      data(Metabolites)

  ### Details

  There are 67 cases for 37 adults and 30 children, and 5 columns: Case no., met1, met2, met3 and Type, 1 for adults, $-1$ for children. No sum constraint is placed on this data set: since the urinary excretion in mg for 24 hours are given.

  ### Source

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

  ### References

  Aitchison, J. (1986) The Statistical Analysis of Compositional Data, (Data 9), pp14.

  [Package compositions version 0.91-6 Index]