class trt;
model y=trt x /solution;
means trt;
lsmeans trt /stderr tdiff;
contrast 'trt12 vs trt34' trt -1 -1 1 1 0;
estimate 'trt1 adj mean' intercept 1 trt 1 0 0 0 0 x 25.76;
estimate 'trt2 adj mean' intercept 1 trt 0 1 0 0 0 x 25.76;
estimate 'adj
trt diff' trt 1 -1 0 0 0;
estimate 'trt1 unadj mean' intercept 1 trt 1 0 0 0 0 x 29.75;
estimate 'trt2 unadj mean' intercept 1 trt 0 1 0 0 0 x 27.175;
estimate 'unadj
trt diff' trt 1 -1 0 0 0 x 2.575;
run;
请问上面黄色部分什么意思?怎么来的?
位置 trt | 重复数rep(x:初始体重,y:最后体重) | |||||||
1 | 2 | 3 | 4 | |||||
x | y | x | y | x | y | x | y | |
1 | 27.2 | 32.6 | 32.0 | 36.6 | 33.0 | 37.7 | 26.8 | 31.0 |
2 | 28.6 | 33.8 | 26.8 | 31.7 | 26.5 | 30.7 | 26.8 | 30.4 |
3 | 28.6 | 35.2 | 22.4 | 29.1 | 23.2 | 28.9 | 24.4 | 30.2 |
4 | 29.3 | 35.0 | 21.8 | 27.0 | 30.3 | 36.4 | 24.3 | 30.5 |
5 | 20.4 | 24.6 | 19.6 | 23.4 | 25.1 | 30.3 | 18.1 | 21.8 |




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