data/Problem4.12.R

In ehassler/MontgomeryDAE: MontgomeryDAE - Data and examples from Montgomery's "Design and Analysis of Experiments"

Problem4.12 <- data.frame(
	"Tip" = c(
		'1',
		'1',
		'1',
		'1',
		'2',
		'2',
		'2',
		'2',
		'3',
		'3',
		'3',
		'3',
		'4',
		'4',
		'4',
		'4'
	),
	"Coupon" = c(
		1,
		2,
		3,
		4,
		1,
		2,
		3,
		4,
		1,
		2,
		3,
		4,
		1,
		2,
		3,
		4
	),
	"Hardness" = c(
		9.3,
		9.4,
		9.6,
		10,
		9.4,
		9.3,
		9.8,
		9.9,
		9.2,
		9.4,
		9.5,
		9.7,
		9.7,
		9.6,
		10,
		10.2
	))