title '二水平试验设计,wxq1638提供赞助,违者必究';
另有(混交试验设计与抽样结合实例,大同小异。
http://tel.pinggu.org/bbs/dispbbs.aspboardid=68&id=401008&star=1#33368)
data a;
length block x1-x8 8;
do x7 = -1,1;
do x6 = -1,1;
do x5 = -1,1;
do x4 = -1,1;
do x3 = -1,1;
do x2 = -1,1;
do x1 = -1,1;
x8 = x1*x2*x3*x4*x5*x6*x7;
b1 = x2*x3*x4*x5*x6*x7;
b2 = x1*x3*x4*x5*x6*x7;
b3 = x1*x2*x4*x5*x6*x7;
b4 = x1*x2*x3*x5*x6*x7;
b5 = x1*x2*x3*x4*x6*x7;
b6 = x1*x2*x3*x4*x5*x7;
block = 1 + (b1+1)/2 + 2*(b2+1)/2 + 4*(b3+1)/2 + 8*(b4+1)/2 + 16*(b5+1)/2 + 32*(b6+1)/2;
drop b1-b6;
output;
end; end; end; end; end; end; end;
proc sort data = a out = b;
by block;
data c;
do i=1 to 300;
output;end;run;
proc sql;
create table wxq1638 as
select *, normal(0) as wxq168
from c order by wxq168;
data d;set wxq1638(obs=128);
data e;merge d a;keep block x1-x8 i;
proc print;run;