| milk {MethComp} | R Documentation |
Fat content of human milk determined by measurement of glycerol released by enzymic hydrolysis of triglycerides (Trig) and measurement by the Standard Gerber method (Gerber). Units are (g/100 ml).
data(milk)
A data frame with 90 observations on the following 3 variables.
methGerber TrigitemyThe dataset is adapted from table 3 in: JM Bland and DG Altman: Measuring agreement in method comparison studies. Statistical Methods in Medical Research, 8:136-160, 1999. See: Lucas A, Hudson GJ, Simpson P, Cole TJ, Baker BA. An automated enzymic micromethod for the measurement of fat in human milk. Journal of Dairy Research 1987; 54: 487-92.
data(milk)
str(milk)
plot(milk)
plot( y[meth=="Trig"]~y[meth=="Gerber"],data=milk,
xlab="Fat (g/100 ml; Gerber)",
ylab="Fat (g/100 ml; Trig.)")
abline(0,1)