proc genmod data=insuran;
class pa cg va;
model y=pa cg va pa*cg pa*va cg*va/dist=gamma link=log type1;
freq w;
run;
输出结果如下:
LR Statistics For Type 1 Analysis
Source Deviance DF ChiSquare Pr>Chi
INTERCEPT 649.8713 0 . .
PA 567.6935 7 82.1778 0.0001
CG 334.6774 3 233.0161 0.0001
VA 27.1980 3 207.4794 0.0001
PA*CG 98.3720 21 28.8260 0.2
PA*VA 73.9153 21 24.4567 0.3
CG*VA 67.2205 9 6.6952 0.2
Analysis Of Parameter Estimates
Parameter DF Estimate Std Err ChiSquare Pr>Chi
INTERCEPT 1 1 5. 6586 0. 1107 2614. 0335 0. 0001
PA 8 1 - 0. 2264 0. 1107 4. 1792 0. 0409
PA 7 1 - 0. 2195 0. 1096 4. 0132 0. 0451
PA 6 1 - 0. 2392 0. 1091 4. 8105 0. 0283
PA 5 1 - 0. 3139 0. 1109 8. 0070 0. 0047
PA 4 1 - 0. 1120 0. 1112 1. 0150 0. 3137
PA 3 1 - 0. 0621 0. 1119 0. 3080 0. 5789
PA 2 1 0. 0023 0. 1190 0. 0004 0. 9843
PA 1 0 0. 0000 0. 0000 . .
CG 4 1 0. 4005 0. 0429 87. 2618 0. 0001
CG 3 1 0. 1557 0. 0351 19. 7079 0. 0001
CG 2 1 0. 0005 0. 0328 0. 0002 0. 9881
CG 1 0 0. 0000 0. 0000 . .
VA 4 1 - 0. 6990 0. 0516 183. 2322 0. 0001
VA 3 1 - 0. 3430 0. 0390 77. 2379 0. 0001
VA 2 1 - 0. 0860 0. 0235 13. 4190 0. 0002
VA 1 0 0. 0000 0. 0000 . .
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