I have a nominal (4 groups) mediator with both X and Y continuous. I just read you paper (Muthen, 2011) and I am just confused as to how parameters were fixed in Tables 48-49, and if a similar "fixing" approach is possible for a group of 4 instead of 3. Thank you for our time.
I apologize for the confusion. I meant to say freeing parameters (e.g., y*.75), or at least that was my understanding. I believe I have an understanding on the formulas and labels, but I ma not sure how to deal with the '*', or if I have too. I hope I am making some sense.
(Model section from Table 48) [c#1*-1] (gamma01); [c#2*-.5] (gamma02); c#1 ON x*.7 (gamma11); c#2 ON x*.3 (gamma12); y ON x*0; y*.75; %c#1% [y*-2] (beta01); y ON x*-.5 (beta11); %c#2% [y*0] (beta02); y ON x*-.3 (beta12); %c#3% [y*2] (beta03); y ON x*-.2 (beta13);
Thank you Dr. Muthen. I have extended the equation to include 4 groups, but I must be doing something wrong (possibly with the summation) since I have very big estimates and standard errors for some parameters (p21, p31, p41, term11, term01, tie, total, pie), which I did not obtain when I run my data with your code of 3 groups only. My nominal variable is acculturation group. Would it be possible to post here what I am doing for clarification purposes?