ex01.11 {Devore5}R Documentation

data from exercise 1.11

Description

The ex01.11 data frame has 79 rows and 1 columns.

Format

This data frame contains the following columns: describe{ item{octane}{ a numeric vector } }

Details

Motor octane rating for various gasoline blends.

Source

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.

Examples

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()


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