求助各位大神!
做调节效应,用mplus,跑出了的结果显示
*** ERROR
One or more variables have a variance of zero.
Check your data and format statement.
哪里出问题了?感谢!!!
附上程序:
title: 第一阶段调节效应的检验;
data: file is E:\4mpus\11.dat;
variable: names are id k1-k5 x m y w1 w2 xm mm w1m;
usevariables are k1-k5 x m w1 int;
define: int = (x - xm) * (w1 - w1m);
analysis: bootstrap = 1000;
model:
m on k1-k5
x
w1
int;
output: standardized cinterval(bcbootstrap);