freeny.x <-
  structure(.Data = c(8.79636, 8.79236, 8.79137, 
		8.81486, 8.81301, 8.90751, 
		8.93673, 8.96161, 8.96044, 9.00868, 
		9.03049, 9.06906, 9.05871, 
		9.10698, 9.12685, 9.17096, 
		9.18665, 9.23823, 9.26487, 
		9.28436, 9.31378, 9.35025, 
		9.35835, 9.39767, 9.4215, 9.44223, 
		9.48721, 9.52374, 9.5398, 
		9.58123, 9.60048, 9.64496, 
		9.6439, 9.69405, 9.69958, 
		9.68683, 9.71774, 9.74924, 
		9.77536, 4.70997, 4.70217, 
		4.68944, 4.68558, 4.64019, 
		4.62553, 4.61991, 4.61654, 4.61407, 
		4.60766, 4.60227, 4.5896, 4.57592, 
		4.58661, 4.57997, 4.57176, 
		4.56104, 4.54906, 4.53957, 
		4.51018, 4.50352, 4.4936, 4.46505, 
		4.44924, 4.43966, 4.42025, 
		4.4106, 4.41151, 4.3981, 
		4.38513, 4.3732, 4.3277, 
		4.32023, 4.30909, 4.30909, 
		4.30552, 4.29627, 4.27839, 
		4.27789, 5.8211, 5.82558, 
		5.83112, 5.84046, 5.85036, 
		5.86464, 5.87769, 5.89763, 
		5.92574, 5.94232, 5.95365, 
		5.9612, 5.97805, 6.00377, 
		6.02829, 6.03475, 6.03906, 
		6.05046, 6.05563, 6.06093, 
		6.07103, 6.08018, 6.08858, 
		6.10199, 6.11207, 6.11596, 
		6.12129, 6.122, 6.13119, 
		6.14705, 6.15336, 6.15627, 
		6.16274, 6.17369, 6.16135, 
		6.18231, 6.18768, 6.19377, 
		6.2003, 12.9699, 12.9733, 12.9774, 
		12.9806, 12.9831, 12.9854, 12.99, 12.9943, 
		12.9992, 13.0033, 13.0099, 13.0159, 13.0212, 13.0265, 
		13.0351, 13.0429, 13.0497, 13.0551, 13.0634, 
		13.0693, 13.0737, 13.077, 13.0849, 
		13.0918, 13.095, 13.0984, 13.1089, 
		13.1169, 13.1222, 13.1266, 13.1356, 
		13.1415, 13.1444, 13.1459, 
		13.152, 13.1593, 13.1579, 13.1625, 13.1664), 
	    .Dim = c(39, 4),
	    .Dimnames = list(character(0),
		c("lag quarterly revenue", "price index",
		  "income level", "market potential"))
	    )

freeny.y <-
  structure(.Data = c(8.79236, 8.79137, 8.81486, 
		8.81301, 8.90751, 8.93673, 
		8.96161, 8.96044, 9.00868, 9.03049, 
		9.06906, 9.05871, 9.10698, 
		9.12685, 9.17096, 9.18665, 
		9.23823, 9.26487, 9.28436, 
		9.31378, 9.35025, 9.35835, 
		9.39767, 9.4215, 9.44223, 9.48721, 
		9.52374, 9.5398, 9.58123, 
		9.60048, 9.64496, 9.6439, 
		9.69405, 9.69958, 9.68683, 
		9.71774, 9.74924, 9.77536, 
		9.79424), .Tsp = c(1962.25, 1971.75, 4))

##-- This gives a data.frame which sometimes [str(..)] behaves horribly :
freeny <- data.frame(y = freeny.y, x = freeny.x, row.names = time(freeny.y))