yyexa410.sas

高老师的经典多元统计分析教材源代码非常经典使用

/*  YYexa411.SAS  */


 options ls=90;
data de411;
  input x1-x7 y1 y2;
  cards;
 6.88  -0.25  27.0   67.478  1.1232  477.0  0.083   9.35  -2.66
 6.08  -2.21  27.5   47.779  1.1232  193.0  0.083  12.30  -4.02
 2.14  -3.04  26.0   47.779  1.1232  404.0  0.083  15.60  -4.59
 5.02  -0.73  26.0   85.622  1.1232  363.0  0.073   5.88  -3.96
 7.89  -2.26  26.0   85.622  1.1232  363.0  0.069   6.34  -3.02
 2.38  -1.65  15.0  149.040  1.5552  428.0  0.104   4.00  -1.74
 1.86  -1.35  15.8  149.040  1.5552  428.0  0.104   3.76  -1.47
 1.02  -2.12  17.1  149.472  1.3824  428.0  0.104   3.98  -2.33
 1.22  -1.92  17.5  149.472  1.3824  428.0  0.104   3.98  -2.19
 0.90  -0.27  17.0  362.880  0.9936  202.0  0.104   2.78   0.33
 2.58  -0.09  17.0  362.880  0.9936  202.0  0.104   1.88   0.23
 2.78  -1.17  13.5  326.592  0.9936  114.0  0.104   2.56  -0.74
 2.10  -1.30  13.5  326.592  0.9936  114.0  0.104   2.72  -0.80
 2.32  -0.60  14.5  364.608  0.8640   57.3  0.104   1.64  -0.62
 2.96  -0.60  14.5  364.608  0.8640   57.3  0.104   2.36  -0.32
 ;
proc print;
run;
proc reg data=de411;
   model y1 y2=x1-x7/selection=stepwase;
run;