Radioimmunoassay Data
The ria data frame has 16 rows and 2 columns.
Run of a radioimmunoassay (RIA) to estimate the concentrations of a drug in samples of porcine serum. The experiment consists of 16 observations made at 8 different drug levels with two replications at each level.
data(ria)
This data frame contains the following columns:
concthe drug concentration (ng/ml);
countthe observed percentage of radioactive gamma counts.
The data were obtained from
Belanger, B. A., Davidian, M. and Giltinan, D. M. (1996) The effect of variance function estimation on nonlinear calibration inference in immunoassay data. Biometrics, 52, 158–175. Table 1, first two columns.
Brazzale, A. R. (2000) Practical Small-Sample Parametric Inference. Ph.D. Thesis N. 2230, Department of Mathematics, Swiss Federal Institute of Technology Lausanne. Section 5.3, Example 6.
data(ria) attach(ria) plot(conc, count, xlab="drug concentration (ng/ml)", ylab="gamma counts (%)") detach()
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