/* REGRESSION ANALYSIS */ *-------------------Data on Physical Fitness-------------------* | These measurements were made on men involved in a physical | | fitness course at N.C.State Univ. The variables are Age | | (years), Weight (kg), Oxygen intake rate (ml per kg body | | weight per minute), time to run 1.5 miles (minutes), heart | | rate while resting, heart rate while running (same time | | Oxygen rate measured), and maximum heart rate recorded while | | running. | | ***Certain values of MaxPulse have been changed. | *--------------------------------------------------------------*; data fitness; input age weight oxygen runtime restpulse runpulse maxpulse @@; cards; 44 89.47 44.609 11.37 62 178 182 44 85.84 54.297 8.65 45 156 168 38 89.02 49.874 9.22 55 178 180 40 75.98 45.681 11.95 70 176 180 44 81.42 39.442 13.08 63 174 176 44 73.03 50.541 10.13 45 168 168 45 66.45 44.754 11.12 51 176 176 54 83.12 51.855 10.33 50 166 170 51 69.63 40.836 10.95 57 168 172 48 91.63 46.774 10.25 48 162 164 57 73.37 39.407 12.63 58 174 176 52 76.32 45.441 9.63 48 164 166 51 67.25 45.118 11.08 48 172 172 51 73.71 45.790 10.47 59 186 188 49 76.32 48.673 9.40 56 186 188 52 82.78 47.467 10.50 53 170 172 40 75.07 45.313 10.07 62 185 185 42 68.15 59.571 8.17 40 166 172 47 77.45 44.811 11.63 58 176 176 43 81.19 49.091 10.85 64 162 170 38 81.87 60.055 8.63 48 170 186 45 87.66 37.388 14.03 56 186 192 47 79.15 47.273 10.60 47 162 164 49 81.42 49.156 8.95 44 180 185 51 77.91 46.672 10.00 48 162 168 49 73.37 50.388 10.08 67 168 168 54 79.38 46.080 11.17 62 156 165 50 70.87 54.625 8.92 48 146 155 54 91.63 39.203 12.88 44 168 172 57 59.08 50.545 9.93 49 148 155 48 61.24 47.920 11.50 52 170 176 ; /* PROC REG DATA=FITNESS; MODEL OXYGEN=AGE WEIGHT RUNTIME RESTPULSE RUNPULSE MAXPULSE / PARTIAL;*/ /* proc corr data=fitness outp=r noprint; var oxygen runtime age weight runpulse maxpulse restpulse; proc print data=r; proc reg data=r; */ proc reg data=fitness; model oxygen = runtime age weight runpulse maxpulse restpulse; proc plot data = fitness; plot oxygen*runtime; mdel= oxygen*runtime; run;