trendsur.sas

SAS for Windows统计分析系统教程,里面有源码

options nodate nonumber;
data trendsur;
    input x y z @@;
cards;
 88.8 31.6 85.2  96.2 35.6 62.1
108.3 23.9 54.2 101.8 25.1 53.5
106.4 27.0 47.7 108.4 35.6 46.2
103.8 30.2 45.5 112.3 37.6 44.1
113.3 22.9 39.4 117.6 32.0 38.6
117.9 25.9 37.4 106.0 37.0 37.1
 99.7 37.7 35.6 116.0 27.3 34.4
117.2 39.2 33.6 119.1 32.9 32.3
111.8 27.4 32.2 126.2 43.5 32.0
128.8 48.2 31.5 122.3 41.5 29.6
116.9 39.4 29.5  85.1 41.6 29.2
113.5 33.8 28.7 112.5 42.0 28.6
120.2 29.1 28.1 116.4 39.9 27.5
121.5 31.3 26.8 112.3 31.2 26.4
118.8 36.3 26.2
;
proc glm;
  model z=x y/p;
run;
proc glm;
  model z=x y x*x x*y y*y/p;
run;
proc glm;
  model z=x y x*x x*y y*y x*x*x x*x*y x*y*y y*y*y/p;
run;
  model z=x y x*x x*y y*y x*x*x x*x*y x*y*y y*y*y x*x*x*x x*x*x*y x*x*y*y x*y*y*y y*y*y*y/p;
run;