Hello,
When i want to do a multigroupe analysis of My Formative Model with Smart pls to seperate People in two groups Theres a Singular Matrix Problem. I read, that it can help to check the correlations of the indicators, But i cant find this Function. I only found the correlation Matrix of the variables But Not of Indicators.
Can someone help me with My Problem. I‘m really desperate because i‘m Not a statistical expert :(
Singular Matrix Problem

 SmartPLS Developer
 Posts: 1010
 Joined: Tue Mar 28, 2006 11:09 am
 Real name and title: Dr. JanMichael Becker
Re: Singular Matrix Problem
The "indicators" is another word for the items/manifest variables that you assign to a construct as measurement model. Thus, they are the variables in your dataset.
A common problem with singular matrix in MGA is fact that people include the grouping variable in their model (e.g., gender). This variable will have no (zero) variance after splitting the dataset into each group and thus cannot be used within the model anymore.
A common problem with singular matrix in MGA is fact that people include the grouping variable in their model (e.g., gender). This variable will have no (zero) variance after splitting the dataset into each group and thus cannot be used within the model anymore.
Dr. JanMichael Becker, University of Cologne, SmartPLS Developer
Researchgate: https://www.researchgate.net/profile/Ja ... v=hdr_xprf
GoogleScholar: http://scholar.google.de/citations?user ... AAAJ&hl=de
Researchgate: https://www.researchgate.net/profile/Ja ... v=hdr_xprf
GoogleScholar: http://scholar.google.de/citations?user ... AAAJ&hl=de
Re: Singular Matrix Problem
I didnt include Group variables in My Model. After Dome Research i think now, that of My groupe samples Are too small (for example there Are only 23 female persons).
Maybe Thats too less for My Model.
Maybe Thats too less for My Model.

 PLS Junior User
 Posts: 9
 Joined: Thu Apr 25, 2019 7:18 am
 Real name and title: Dr. Locky Law
 Location: Hong Kong
Re: Singular Matrix Problem
Indeed that is a little too small. Otherwise, you can try lowering the subsamples and repeating bootstrapping until you get a result.
Re: Singular Matrix Problem
Thanks for your help, i will Try that :)