[R] USING MULTILEVEL PACKAGE AND WABA FUNCTION

Dear friends, this time I have a problem with using waba function. Firstly, I'll explain you my situation. In the survey a gruop of supervisors judge the dipendents of a company. One supervisor reported on more than one subordinate. Thus, I need to show that lack of independence is not a problem

[R] USING MULTILEVEL PACKAGE AND WABA FUNCTION

Dear friends, this time I have a problem with using waba function. Firstly, I'll explain you my situation. In the survey a gruop of supervisors judge the dipendents of a company. One supervisor reported on more than one subordinate. Thus, I need to show that lack of independence is not a problem

[R] HELP WITH SEM LIBRARY AND WITH THE MODEL'S SPECIFICATION

Dear John I want to thank you so much for the help. I've solved my problem following your instructions. The matrix S of the cov was singular because i had few complete observation. I have included 2 wrongs item, because (in the majority of cases) when one is inputed, the other one is "NA", so i

[R] HELP WITH SEM LIBRARY AND WITH THE MODEL'S SPECIFICATION

Dear users, i'm using the sem package in R, because i need to improve a confermative factor analisys. I have so many questions in my survey, and i suppose, for example, that Question 1 (Q1) Q2 and Q3 explain the same thing (factor F1), Q4,Q5 and Q6 explain F2 and Q7 and Q8 explain F3... For ch

[R] problem with mediation

Dear friends, i've a little problem with a study about mediation. I will call my dependent variable "Y", the independent "X" and "Z" will be my mediator variable... Using a linear regression, i can say that there isn't a direct effect of X on Y because the coefficient of X isn't significative