大神,您帮我看看哪里不对?怎么a5里的数都一样。拜谢
options nodate nonotes nosource nosource2;
%macro sim (e,f,name);
/*模拟100次*/
%do j=1 %to 100;
/*计算d1、d2、d3模拟效应值,存放在临时数据集simu,计算simu的拟合优度*/
DATA SIMU ;
DO n = 1 to &e ;
%do i= 0 %to 4 ;
d&i=0.1+&i*0.2;
R=1.002+9.023/(1+exp(10.47*(0.5-d&i)));
v&i=R+&f*R*rannor(&j);
%end ;
output ;
end;
/*合并simu集的数据,使变量为v,d,保存在数据集new4 */
data first1;
set simu ;keep d0 v0;
data second1;
set first1;
rename d0=d v0=v;
data first2;
set simu ;keep d1 v1;
data second2;
set first2;
rename d1=d v1=v;
data first3;
set simu ;keep d2 v2;
data second3;
set first3;
rename d2=d v2=v;
data first4;
set simu ;keep d3 v3;
data second4;
set first4;
rename d3=d v3=v;
data first5;
set simu ;keep d4 v4;
data second5;
set first5;
rename d4=d v4=v;
data new1;
set second1 second2 ;
data new2;
set new1 second3;
data new3;
set new2 second4;
data new4;
set new3 second5;
ods output anova=one;
proc nlin data=new4;
model v=a + b/(1 + exp((0.5-d)*c)) ;
parms a=1 b=9 c=10.5 ;
run;
ods output close;
proc transpose data=one out=two;
run;
data three;
set two;
where _NAME_='SS';
run;
DATA four;
SET three;
COL4=COL1/COL3;
RUN;
quit;
/*计算new4集拟合优度,追加在a5中 */
proc append data=four base=a5 ; run
%end ;
%mend sim ;
%sim (40,0.5,a5);
|