#Arnold (1983, p. 280-1)

golf  <- c(3581,2474,2202,1858,1829,1690,1684,1627,1537,1519,
1433,1410,1374,1338,1208,1184,1171,1109,1095,1092,1066,1056,1051,1031,
1016,1005,1001,965,944,912,883,878,871,849,844,841,825,820,816,814,
778,778,771,769,759,753,746,729,712,708)
 
texcounty <- c(6007.1,4860.5,2367.8,2135.6,890.1,840.4,710.2,601.4,
513.9,486.9,379.0,336.0,313.5,301.8,281.7,269.7,269.6,266.8,250.5,
248.3,226.0,220.8,219.8,216.1,206.4,198.1,194.5,188.2,181.4,179.8,
150.1,130.5,125.9,125.1,122.3,117.8,115.8,115.6,112.9,104.6,99.5,
95.8,94.1,83.2,83.0,82.7,82.3,81.5,78.1,77.8,75.9,75.1,74.8,74.6,
73.5,72.5,71.0,71.0,70.9,68.1,64.4,63.3,62.5,60.5,60.0,58.9,58.4,
56.2,54.0,53.3,53.3,53.1,52.6,52.4,51.3,50.9,50.5,50.4,46.3,45.7,
44.1,43.6,43.2,42.7,42.4,42.2,41.6,41.4,41.3,40.7,40.2,39.7,39.4,
39.2,39.1,39.0,38.8,38.2,37.9,36.4,36.1,35.7,35.2,35.0,35.0,34.3,34.2,
34.1,34.1,34.0,32.8,32.8,32.7,32.4,31.3,31.0,31.0,30.1,29.4,29.1,
28.5,28.4,28.1,27.8,27.8,27.4,27.1,27.0,27.0,26.6,26.4,26.3,25.8,
25.5,25.1,24.9,24.3,24.1,23.3,23.1,22.9,22.7,22.5,21.9,21.9,21.8,21.5,
21.4,21.2,20.6,20.6,20.6,20.4,20.4,20.3,20.2,20.2)