# Data from file ls2.dat distributed with Introduction to # Time Series and Forecasting by Peter J. Brockwell and # Richard A. Davis, Springer 1996 # (C) 1996 Springer-Verlag New York, Inc. # Series M, Box & Jenkins, P. 537, N = 150 # Sales data with leading indicator # Col. 1: X(t) = leading indicator # Col. 2: Y(t) = sales # Note: Y(114) has been corrected to 256.2 from the number 216.2 in # B&J probably just by replacing digit 1 by 5 # Y(113) = 250.0 and Y(115) = 260.0 10.01 200.1 10.07 199.5 10.32 199.4 9.75 198.9 10.33 199.0 10.13 200.2 10.36 198.6 10.32 200.0 10.13 200.3 10.16 201.2 10.58 201.6 10.62 201.5 10.86 201.5 11.20 203.5 10.74 204.9 10.56 207.1 10.48 210.5 10.77 210.5 11.33 209.8 10.96 208.8 11.16 209.5 11.70 213.2 11.39 213.7 11.42 215.1 11.94 218.7 11.24 219.8 11.59 220.5 10.96 223.8 11.40 222.8 11.02 223.8 11.01 221.7 11.23 222.3 11.33 220.8 10.83 219.4 10.84 220.1 11.14 220.6 10.38 218.9 10.90 217.8 11.05 217.7 11.11 215.0 11.01 215.3 11.22 215.9 11.21 216.7 11.91 216.7 11.69 217.7 10.93 218.7 10.99 222.9 11.01 224.9 10.84 222.2 10.76 220.7 10.77 220.0 10.88 218.7 10.49 217.0 10.50 215.9 11.00 215.8 10.98 214.1 10.61 212.3 10.48 213.9 10.53 214.6 11.07 213.6 10.61 212.1 10.86 211.4 10.34 213.1 10.78 212.9 10.80 213.3 10.33 211.5 10.44 212.3 10.50 213.0 10.75 211.0 10.40 210.7 10.40 210.1 10.34 211.4 10.55 210.0 10.46 209.7 10.82 208.8 10.91 208.8 10.87 208.8 10.67 210.6 11.11 211.9 10.88 212.8 11.28 212.5 11.27 214.8 11.44 215.3 11.52 217.5 12.10 218.8 11.83 220.7 12.62 222.2 12.41 226.7 12.43 228.4 12.73 233.2 13.01 235.7 12.74 237.1 12.73 240.6 12.76 243.8 12.92 245.3 12.64 246.0 12.79 246.3 13.05 247.7 12.69 247.6 13.01 247.8 12.90 249.4 13.12 249.0 12.47 249.9 12.47 250.5 12.94 251.5 13.10 249.0 12.91 247.6 13.39 248.8 13.13 250.4 13.34 250.7 13.34 253.0 13.14 253.7 13.49 255.0 13.87 256.2 13.39 256.0 13.59 257.4 13.27 260.4 13.70 260.0 13.20 261.3 13.32 260.4 13.15 261.6 13.30 260.8 12.94 259.8 13.29 259.0 13.26 258.9 13.08 257.4 13.24 257.7 13.31 257.9 13.52 257.4 13.02 257.3 13.25 257.6 13.12 258.9 13.26 257.8 13.11 257.7 13.30 257.2 13.06 257.5 13.32 256.8 13.10 257.5 13.27 257.0 13.64 257.6 13.58 257.3 13.87 257.5 13.53 259.6 13.41 261.1 13.25 262.9 13.50 263.3 13.58 262.8 13.51 261.8 13.77 262.2 13.40 262.7