Description Usage Format Source References Examples
Ramus (jaw bone) height of 20 boys measured at 8, 8.5, 9, 9.5 years.
1 | data("ramus")
|
A data frame with 80 observations on the following 3 variables.
subject
subject id
age
age of subject in years
ramusht
ramus height in mm
Grizzle, J and Allen, D (1969), Analysis of growth and dose response curves. Biometrics, 25, 357-382.
Cook, T. and DeMets, D. (2008), Introduction to Statistical Methods for Clinical Trials, Boca Raton, FL: CRC Press.
1 | with(ramus,interaction.plot(age,subject,ramusht,xlab='Age',ylab='Ramus Height (mm)',legend=FALSE,lty=1))
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