ex01.11 {Devore5} | R Documentation |
The ex01.11
data frame has 79 rows and 1 columns.
This data frame contains the following columns: describe{ item{octane}{ a numeric vector } }
Motor octane rating for various gasoline blends.
Devore, J. L. (2000) Probability and Statistics for Engineering and the Sciences (5th ed), Duxbury
Snee, R. D. (1977) Validation of regression models: methods and examples, Technometrics, 415𤮜.
library(Devore5) data(ex01.11) attach(ex01.11) stem(octane) # compact stem(octane, scale = 2) # expanded summary(octane) hist(octane) # standard histogram hist(octane, prob = TRUE) lines(density(octane), col = "blue") rug(octane) detach()