Researchers used 7 red and 7 black playing cards to randomly assign 14
volunteer males with high blood pressure to one of two diets for four
weeks: a fish oil diet and a standard oil diet. These data are the
reductions in diastolic blood pressure.
Usage
ex0112
Arguments
Format
A data frame with 14 observations on the following 2 variables.
BP
reduction in diastolic blood pressure (in mm of mercury)
Diet
factor variable indicating the diet that the subject followed
References
Knapp, H.R. and FitzGerald, G.A. (1989). The Antihypertensive Effects
of Fish Oil, New England Journal of Medicine320:
1037--1043.