例16-02程序.sas

SAS应用_医学统计学的例题程序及其结果,学习SAS的必备资料.

data ex16_2;
  input x1-x8 y @@;
cards;
3      1      0      1      0      0      1      1      0
2      0      1      1      0      0      1      0      0
2      1      0      1      0      0      1      0      0
2      0      0      1      0      0      1      0      0
3      0      0      1      0      1      1      1      0
3      0      1      1      0      0      2      1      0
2      0      1      0      0      0      1      0      0
3      0      1      1      1      0      1      0      0
2      0      0      0      0      0      1      1      0
1      0      0      1      0      0      1      0      0
1      0      1      0      0      0      1      1      0
1      0      0      0      0      0      2      1      0
2      0      0      0      0      0      1      0      0
4      1      0      1      0      0      1      0      0
3      0      1      1      0      0      1      1      0
1      0      0      1      0      0      3      1      0
2      0      0      1      0      0      1      0      0
1      0      0      1      0      0      1      1      0
3      1      1      1      1      0      1      0      0
2      1      1      1      1      0      2      0      0
3      1      0      1      0      0      1      0      0
2      1      1      0      1      0      3      1      0
2      0      0      1      1      0      1      1      0
2      0      0      0      0      0      1      0      0
2      0      1      0      0      0      1      0      0
2      0      0      1      1      0      1      1      0
2      0      0      0      0      0      1      0      0
2      0      0      0      0      0      2      1      0
2      1      1      1      0      1      2      1      1
3      0      0      1      1      1      2      1      1
2      0      0      1      1      1      1      0      1
3      1      1      1      1      1      3      1      1
2      0      0      1      0      0      1      1      1
2      0      1      0      1      1      1      1      1
2      0      0      1      0      1      1      0      1
2      1      1      1      1      0      1      1      1
3      1      1      1      1      0      1      1      1
3      1      1      1      0      1      1      1      1
3      1      1      1      1      0      1      1      1
3      0      1      0      0      0      1      0      1
2      1      1      1      1      0      2      1      1
3      1      0      1      0      1      2      1      1
3      1      0      1      0      0      1      1      1
3      1      1      1      1      1      2      0      1
4      0      0      1      1      0      3      1      1
3      1      1      1      1      0      3      1      1
4      1      1      1      1      0      3      0      1
3      0      1      1      1      0      1      1      1
4      0      0      1      0      0      2      1      1
1      0      1      1      1      0      2      1      1
2      0      1      1      0      1      2      1      1
2      1      1      1      0      0      2      1      1
2      1      0      1      0      0      1      1      1
3      1      1      0      1      0      3      1      1
;
proc logistic descending;
  model y=x1-x8
  /selection=stepwise
  sle=0.1 sls=0.1;
run;