data hotel; input y1 y2 y3 group; cards; 1.21 .61 .70 1 .92 .43 .71 1 .80 .35 .71 1 .85 .48 .68 1 .98 .42 .71 1 1.15 .52 .72 1 1.10 .50 .75 1 1.02 .53 .70 1 1.18 .45 .70 1 1.09 .40 .69 1 1.40 .50 .71 2 1.17 .39 .69 2 1.23 .44 .70 2 1.19 .37 .72 2 1.38 .42 .71 2 1.17 .45 .70 2 1.31 .41 .70 2 1.30 .47 .67 2 1.22 .29 .68 2 1.00 .30 .70 2 1.12 .27 .72 2 1.09 .35 .73 2 ; proc reg; model group = y1 y2 y3/stb; run; Hotellings T2 Example 2 ----------------------------------------------------------------------------------- Model: MODEL1 Dependent Variable: GROUP Analysis of Variance Sum of Mean Source DF Squares Square F Value Prob>F Model 3 3.94656 1.31552 15.703 0.0001 Error 18 1.50799 0.08378 C Total 21 5.45455 Root MSE 0.28944 R-square 0.7235 Dep Mean 1.54545 Adj R-sq 0.6775 C.V. 18.72864 Parameter Estimates Parameter Standard T for H0: Standardized Variable DF Estimate Error Parameter=0 Prob>|T| Estimate INTERCEP 1 2.153220 2.61219528 0.824 0.4206 0.00000000 Y1 1 2.246938 0.40874367 5.497 0.0001 0.69241909 Y2 1 -3.691243 0.76678494 -4.814 0.0001 -0.60463005 Y3 1 -2.242679 3.58809865 -0.625 0.5398 -0.07768869