Tetracycline1 {nlme} | R Documentation

## Pharmacokinetics of tetracycline

### Description

The `Tetracycline1` data frame has 40 rows and 4 columns.

### Format

This data frame contains the following columns:

conc

  a numeric vector

Time

  a numeric vector

Subject

  an ordered factor with levels `5` < `3` < `2` < `4` < `1`

Formulation

  a factor with levels `tetrachel` `tetracyn`

### Source

Pinheiro, J. C. and Bates, D. M. (2000), Mixed-Effects Models in S and S-PLUS, Springer, New York.

[Package nlme version 3.1-104 Index]