Fifteen diabetic patients were randomly selected, and their blood glucose levels were measured in mg/100 ml with two different devices.

Format

A data frame with 15 observations on the following 3 variables:

Patient

patient number

Old

blood glucose level in mg/100 ml using old device

New

blood glucose level in mg/100 ml using new device

Source

Ugarte, M. D., Militino, A. F., and Arnholt, A. T. (2008) Probability and Statistics with R. Chapman & Hall/CRC.

Examples

with(data = glucose, boxplot(Old, New))