语句如下,x自变量 m中介 y因变量 均为个体层面;w是调节变量 团队层面,运行后报错TYPE=TWOLEVEL requires specification for the CLUSTER option.是什么意思?该如何处理?我用的Mplus7.
TITLE:A two-level first-stage moderated mediation path analytical model
DATA:FILE IS C:\Users\angela\Desktop\zzrg1.dat;
VARIABLE:NAMES ARE x m w y code;
USEVARIABLES ARE x m w y;
DEFINE:CENTER w(GRANDMEAN);
DEFINE:CENTER x(GROUPMEAN);
CLUSTER=code;
WITHIN=x;
BETWEEN=w;
ANALYSIS:TYPE=TWOLEVEL RANDOM;
MODEL:
%WITHIN%
S|m on x;
y on m(b)
x;
%BETWEEN%
S on w(a1);
[S](a0);
m on w;
m with S;
y with m;
y with S;
y with w;
MODEL CONSTRAINT:
NEW(ind_h ind_l);
ind_h=(a0+a1*(0.85))*b;
ind_l=(a0+a1*(-0.85))*b;
NEW(diff);
Diff=ind_h-ind_l;
OUTPUT:SAMPSTAT;
CINTERVAL
*** ERROR in VARIABLE command
TYPE=TWOLEVEL requires specification for the CLUSTER option.