Ethyl {NRAIA}R Documentation

Ethyl Acrylate data

Description

The Ethyl data frame has 12 rows and 3 columns of ethyl acrylate concentrations in exhalate of a rat.

Format

This data frame contains the following columns:

start
start of collection period, measured from the start of the experiment (hr).
length
duration of the collection period (hr).
CO2
exhaled radioactively tagged CO2 (g).

Source

Bates and Watts (1998), Nonlinear Regression Analysis and Its Applications, Wiley (Appendix A1.10).

Originally from Watts, deBethizy, and Stiratelli (1986), Technical Report, Rohm and Haas Co.

Examples

str(Ethyl)
xyplot(cumsum(CO2) ~ I(start + length), # compare to Figure 3.10, page 97
     data = Ethyl, type = c("g","S"), scales=list(x=list(log =2)),
     xlab = "Time (hr)",
     ylab = expression(plain("Normalized cumulative CO")[2]*(g)))

[Package NRAIA version 0.9-7 Index]