xfc1.sas

those are some program of the sas system .and very useful when doing the statistic working .

title'单因素试验';
data ex;do a=1 to 2;input n @@;
do i=1 to n; input x y @@;output;end;end;
cards;
10 549.1 123.5 532 117 510 124.5 526 104 373.7 89
   560 142.5 571.1 127 618.7 140 470.9 102.5 500.9 111.2
5 704 171 690.2 170 517.1 113 567.6 126 566 121
;
proc glm;class a;model y=x a/solution;
lsmeans a/stderr pdiff;
run;