The SAS System 1 Obs animal body brain 1 Brachiosaurus 87000.00 200.0 2 Rat 0.40 1.9 3 Opossum 4.50 6.0 4 Cow 465.00 423.0 5 GreyWolf 36.00 119.5 6 Goat 28.00 115.0 7 GuineaPig 1.10 5.0 8 Diplodocus 11700.00 50.0 9 Asian Elephant 2547.00 4603.0 10 Donkey 187.00 419.0 11 Horse 521.00 655.0 12 PotarMonkey 10.00 115.0 13 Cat 4.50 25.6 14 Giraffe 529.00 680.0 15 Gorilla 207.00 406.0 16 Human 62.00 1320.0 17 African Elephant 6654.00 5712.0 18 Triceratops 9400.00 70.0 19 Rhesus Monkey 7.00 179.0 20 Kangaroo 35.00 56.0 21 Hamster 0.15 1.5 22 Mouse 0.20 0.4 23 Rabbit 3.00 12.1 24 Sheep 56.00 175.0 25 Jaguar 100.00 157.0 26 Chimpanzee 52.00 440.0 27 Mole 0.80 3.0 28 Pig 192.00 180.0 29 Humpback Whale 39000.00 4675.0 30 Alligator 205.00 14.0 The SAS System 2 The REG Procedure Model: MODEL1 Dependent Variable: brain Brain Weight (g) Number of Observations Read 30 Number of Observations Used 30 Analysis of Variance Sum of Mean Source DF Squares Square F Value Pr > F Model 1 2351975 2351975 1.05 0.3132 Error 28 62429317 2229618 Corrected Total 29 64781292 Root MSE 1493.19070 R-Square 0.0363 Dependent Mean 693.96667 Adj R-Sq 0.0019 Coeff Var 215.16750 Parameter Estimates Parameter Standard Variable Label DF Estimate Error t Value Intercept Intercept 1 605.92530 285.77728 2.12 body Body Weight (kg) 1 0.01661 0.01617 1.03 Parameter Estimates Variable Label DF Pr > |t| Intercept Intercept 1 0.0430 body Body Weight (kg) 1 0.3132 The SAS System 3 Obs animal logbody logbrain 1 Brachiosaurus 11.3737 5.29832 2 Rat -0.9163 0.64185 3 Opossum 1.5041 1.79176 4 Cow 6.1420 6.04737 5 GreyWolf 3.5835 4.78332 6 Goat 3.3322 4.74493 7 GuineaPig 0.0953 1.60944 8 Diplodocus 9.3673 3.91202 9 Asian Elephant 7.8427 8.43446 10 Donkey 5.2311 6.03787 11 Horse 6.2558 6.48464 12 PotarMonkey 2.3026 4.74493 13 Cat 1.5041 3.24259 14 Giraffe 6.2710 6.52209 15 Gorilla 5.3327 6.00635 16 Human 4.1271 7.18539 17 African Elephant 8.8030 8.65032 18 Triceratops 9.1485 4.24850 19 Rhesus Monkey 1.9459 5.18739 20 Kangaroo 3.5553 4.02535 21 Hamster -1.8971 0.40547 22 Mouse -1.6094 -0.91629 23 Rabbit 1.0986 2.49321 24 Sheep 4.0254 5.16479 25 Jaguar 4.6052 5.05625 26 Chimpanzee 3.9512 6.08677 27 Mole -0.2231 1.09861 28 Pig 5.2575 5.19296 29 Humpback Whale 10.5713 8.44998 30 Alligator 5.3230 2.63906 The SAS System 4 The REG Procedure Model: MODEL1 Dependent Variable: logbrain Number of Observations Read 30 Number of Observations Used 30 Analysis of Variance Sum of Mean Source DF Squares Square F Value Pr > F Model 1 100.20437 100.20437 38.24 <.0001 Error 28 73.37942 2.62069 Corrected Total 29 173.58379 Root MSE 1.61886 R-Square 0.5773 Dependent Mean 4.50899 Adj R-Sq 0.5622 Coeff Var 35.90285 Parameter Estimates Parameter Standard Variable DF Estimate Error t Value Pr > |t| Intercept 1 2.26820 0.46763 4.85 <.0001 logbody 1 0.52558 0.08500 6.18 <.0001