我的程序
- ************模拟六次数据****************;
- %macro pmm;
- data abv1(drop=seed1-seed4 );
- seed1=111;seed2=222;seed3=333;seed4=444;
- do i=1 to 100;
- call rannor(seed1,x1);
- call rannor(seed2,x2);
- call rannor(seed3,x3);
- call rannor(seed4,e);
- output;
- end;
- run;
- %mend;
- %pmm
- %macro pmm;
- data abv2(drop=seed1-seed4 );
- seed1=112;seed2=223;seed3=334;seed4=445;
- do i=1 to 100;
- call rannor(seed1,x1);
- call rannor(seed2,x2);
- call rannor(seed3,x3);
- call rannor(seed4,e);
- output;
- end;
- run;
- %mend;
- %pmm
- %macro pmm;
- data abv3(drop=seed1-seed4 );
- seed1=113;seed2=224;seed3=335;seed4=446;
- do i=1 to 100;
- call rannor(seed1,x1);
- call rannor(seed2,x2);
- call rannor(seed3,x3);
- call rannor(seed4,e);
- output;
- end;
- run;
- %mend;
- %pmm
- %macro pmm;
- data abv4(drop=seed1-seed4 );
- seed1=114;seed2=225;seed3=336;seed4=447;
- do i=1 to 100;
- call rannor(seed1,x1);
- call rannor(seed2,x2);
- call rannor(seed3,x3);
- call rannor(seed4,e);
- output;
- end;
- run;
- %mend;
- %pmm
- %macro pmm;
- data abv5(drop=seed1-seed4 );
- seed1=115;seed2=226;seed3=337;seed4=448;
- do i=1 to 100;
- call rannor(seed1,x1);
- call rannor(seed2,x2);
- call rannor(seed3,x3);
- call rannor(seed4,e);
- output;
- end;
- run;
- %mend;
- %pmm
- %macro pmm;
- data abv6(drop=seed1-seed4 );
- seed1=116;seed2=227;seed3=338;seed4=449;
- do i=1 to 100;
- call rannor(seed1,x1);
- call rannor(seed2,x2);
- call rannor(seed3,x3);
- call rannor(seed4,e);
- output;
- end;
- run;
- %mend;
- %pmm
- ***********************模拟六次数据完成;
- ***********************合并六次模拟数据***************;
- data b;
- set abv1-abv6;
- run;
- proc sort data=b;
- by i;
- run;
- %macro pmm;
- data abcde;
- do i=1 to 100;
- do t=1 to 6;
- output;
- end;
- end;
- run;
- %mend;
- %pmm
- data b1 ;
- merge b abcde;
- by i;
- run;
- *****************************合并六次数据完成*************;
- *****************************拟合方程********************;
- data b2;
- set b1;
- y=-1+x1+x2+x3+t+x1*t+x2*t+x3*t+e;
- run;
- proc glm;
- model y= x1 x2 x3 t x1*t x2*t x3*t ;
- run;
- *****************************拟合方程完成****************;
- *****************************缺失百分之5****************;
- data b3;
- set b2;
- n+1;
- run;
- data b4(keep=n);
- set b3;
- run;
- proc surveyselect data=b3 seed=778
- method=srs rate=0.95 out=t1;
- run;
- data b5;
- merge b4 t1;
- by n;
- run;
- data b6;
- set abcde;
- n+1;
- run;
- data b7;
- merge b5 b6;
- by n;
- run;



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