options crt;
out palda;
doc SALES 'Current Year Sales in Thousands of Current Year Dollars';
doc ADVER 'Advertising Outlay in Thousands of Current Year Dollars';
doc INC   'Disposable Personal Income in Billions of Current Year Dollars';
doc DUM1  'Dummy Variable equals 1 during 1908-1914, else 0';
doc DUM2  'Dummy Variable equals 1 during 1915-1925, else 0';
doc DUM3  'Dummy Variable equals 1 during 1926-1940, else 0';
?Source:  Kristian S. Palda, The Measurement of Cumulative 
?         Advertising Effects, Englewood Cliffs, NJ:  Prentice-
?         Hall, 1964, Table 1, p. 23, Table 2, pp. 32-33 and Table
?         6, p. 43.  
load;
norepl; smpl 8,60; inc=inc;
end;
noprint;
freq a; smpl 7,60;
load
@YEAR SALES ADVER INC DUM1 DUM2 DUM3;
1907 1016  608    .  1 0 0 
1908  921  451  29.5 1 0 0 
1909  934  529  30.2 1 0 0 
1910  976  543  30.5 1 0 0 
1911  930  525  31.9 1 0 0 
1912 1052  549  33.9 1 0 0 
1913 1184  525  34.8 1 0 0 
1914 1089  578  35.8 1 0 0 
1915 1087  609  40.2 0 1 0 
1916 1154  504  47.8 0 1 0 
1917 1330  752  55.2 0 1 0 
1918 1980  613  62.3 0 1 0 
1919 2223  862  63.3 0 1 0 
1920 2203  866  71.5 0 1 0 
1921 2514 1016  60.2 0 1 0 
1922 2726 1360  60.3 0 1 0 
1923 3185 1482  69.7 0 1 0 
1924 3351 1608  71.4 0 1 0 
1925 3438 1800  73.0 0 1 0 
1926 2917 1941  77.4 0 0 1 
1927 2359 1229  77.4 0 0 1 
1928 2240 1373  77.5 0 0 1 
1929 2196 1611  83.1 0 0 1 
1930 2111 1568  74.4 0 0 1 
1931 1806  983  63.8 0 0 1 
1932 1644 1046  48.7 0 0 1 
1933 1814 1453  45.7 0 0 1 
1934 1770 1504  52.0 0 0 1 
1935 1518  807  58.3 0 0 1 
1936 1103  339  66.2 0 0 1 
1937 1266  562  71.0 0 0 1 
1938 1473  745  65.7 0 0 1 
1939 1423  749  70.4 0 0 1 
1940 1767  862  76.1 0 0 1 
1941 2161 1034  93.0 0 0 0 
1942 2336 1054 117.5 0 0 0 
1943 2602 1164 133.5 0 0 0 
1944 2518 1102 146.8 0 0 0 
1945 2637 1145 150.4 0 0 0 
1946 2177 1012 160.6 0 0 0 
1947 1920  836 170.1 0 0 0 
1948 1910  941 189.3 0 0 0 
1949 1984  981 189.7 0 0 0 
1950 1787  974 207.7 0 0 0 
1951 1689  766 227.5 0 0 0 
1952 1866  920 238.7 0 0 0 
1953 1896  964 252.5 0 0 0 
1954 1684  811 256.9 0 0 0 
1955 1633  789 274.4 0 0 0 
1956 1657  802 292.9 0 0 0 
1957 1569  770 308.8 0 0 0 
1958 1390  639 317.9 0 0 0 
1959 1387  644 337.3 0 0 0 
1960 1289  564 351.8 0 0 0