list(p = 3,   N = 21,  
	Y = c(42, 37, 37, 28, 18, 18, 19, 20, 15, 14, 14, 13, 11, 12, 8, 7, 8, 8, 9, 15, 15),
	x = structure(.Data = c(    80, 27, 89,
									 80, 27, 88,
									 75, 25, 90,
									 62, 24, 87,
									 62, 22, 87,
									 62, 23, 87,
									 62, 24, 93,
									 62, 24, 93,
									 58, 23, 87,
									 58, 18, 80,
									 58, 18, 89,
									 58, 17, 88,
									 58, 18, 82,
									 58, 19, 93,
									 50, 18, 89,
									 50, 18, 86,
									 50, 19, 72,
									 50, 19, 79,
									 50, 20, 80,
									 56, 20, 82,
									 70, 20, 91), .Dim = c(21, 3)))