The Rep.tox data frame has 28 rows and 4 columns and gives the plasma levels of 6 rats in a repeated dose toxicity study.
This data frame contains the following columns:
a numeric vector identifying the animal whose plasma level is measured.
a numeric vector giving the measured plasma level (IU/mL).
a numeric vector giving the time since administration (hours).
a numeric vector indicating the day the data were collected.
In this study the compound is administered daily to 6 Rats over 14 days. Plasma levels are measured at 7 time points over 12 hours after the first administration and after the 14th administration.