anaesthetic | R Documentation |
A doctor at major London hospital compared the effects of 4 anaesthetics used in major operations. 80 patients were divided into groups of 20.
A data frame with 80 observations on the following 2 variables.
time in minutes to start breathing unassisted
Four treatment groups A
B
C
D
Chatfield C. (1995) Problem Solving: A Statistician's Guide, 2ed Chapman Hall.
data(anaesthetic) ## maybe str(anaesthetic) ; plot(anaesthetic) ...
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