| hba1c {MethComp} | R Documentation |
Three analysers (machines) for determination of HbA1c (glycosylated haemoglobin) were tested on samples from 38 individuals. Each had drawn a venous and capillary blood sample. These were analysed on five different days.
data(hba1c)
A data frame with 835 observations on the following 6 variables.
devBR.V2, BR.VC and Tosoh.typeCap Venitemd.sampd.anay
In the terminology of method comparison studies, methods is the
cross-classification of dev and type, and replicate is
d.ana. It may be of interest to look at the effect of time between
d.ana and d.samp, i.e. the time between sampling and analysis.
Bendix Carstensen, Steno Diabetes Center.
These data were analysed as example in: Carstensen: Comparing and predicting between several methods of measurement, Biostatistics 5, pp. 399–413, 2004.
data(hba1c) str(hba1c)