This data file is intended for use with the Historical Data tutorial. The data come from the U.S. Bureau of Labor Statistics via James Longley (An Appraisal of Least Squares Programs for the Electronic Computer from the Point of View of the User, Journal of the American Statistical Association, 62 (1967): 819-841). As discussed in RSM Simplified (Mark J. Anderson and Patrick J. Whitcomb, Productivity, Inc., New York, 2005: Chapter 2), it presents some interesting challenges for regression modeling. 35 35 72 72 72 72 72 72 72 0 0 0 0 0 0 0 1 -1 -1 0 0 0 0 0 0 0 1 -1 -1 83 234289 2356.0000000004 1590.0000000047 107608 1947 60323 88.49999999998 259426.00000051 2325.0000000041 1456 108632.00000002 1948 61122 88.200000000052 258053.99999951 3682.0000000028 1616.0000000035 109772.99999999 1949 60171 89.500000000022 284599.00000068 3351.0000000001 1650.000000002 110929.00000001 1950 61187 96.200000000052 328975.00000023 2099.0000000019 3098.9999999956 112075 1951 63221 98.100000000048 346999.00000069 1932.0000000072 3594 113269.99999997 1952 63639 99.000000000002 365385.00000069 1870 3546.9999999968 115094.00000002 1953 64989 100 363111.99999948 3578.0000000006 3350.0000000003 116218.99999999 1954 63761 101.19999999999 397468.99999997 2903.9999999934 3048.0000000032 117388.00000003 1955 66019 104.60000000007 419180.00000079 2822.0000000032 2856.9999999957 118734 1956 67857 108.40000000006 442768.99999982 2936.0000000042 2798.0000000037 120445.00000004 1957 68169 110.8 444545.99999981 4681.0000000003 2636.999999995 121950.00000001 1958 66513 112.60000000007 482704.00000039 3813.0000000017 2551.9999999999 123365.99999998 1959 68655 114.19999999997 502600.99999994 3931.0000000022 2514.0000000005 125368.00000002 1960 69564 115.69999999995 518172.99999994 4806 2572 127851.99999998 1961 69331 116.9 554894 4006.9999999931 2826.9999999971 130081 1962 70551