z****k
发帖数: 1057 | 1 proc reg要研究两个变量的interaction是不是必须在data当中手动乘起来？
有没有简便的办法？
或者，是不是能用proc glm替代一下？我知道glm是支持*的
谢谢 |
w***y
发帖数: 114 | 2 proc reg data= ;
model y=x1 x2 x1*x2;
run; |
z*********o
发帖数: 541 | 3
【在 w***y 的大作中提到】
: proc reg data= ;
: model y=x1 x2 x1*x2;
: run;
|
z****k
发帖数: 1057 | 4 这是哪个版本的SAS啊？为什么我的不可以？
【在 w***y 的大作中提到】
: proc reg data= ;
: model y=x1 x2 x1*x2;
: run;
|
s*********e
发帖数: 1051 | 5 you didn't miss anything. the answer given was wrong. x * x in model
statement won't work in proc reg.
however, try it in proc glm/genmod. i would be surprised if it won't work.
please post results after you try such that others could learn as well.
thanks. |
z****k
发帖数: 1057 | 6 glm的话相应的语句应该怎么写？
我直接用model y = x1 + x2 + x1*x2
结果好像只给出ANONVA，没有coefficient
【在 s*********e 的大作中提到】
: you didn't miss anything. the answer given was wrong. x * x in model
: statement won't work in proc reg.
: however, try it in proc glm/genmod. i would be surprised if it won't work.
: please post results after you try such that others could learn as well.
: thanks.
|
