> two large datasets (separate research projects) with thousands of subjects (n1= 2000 and n2=6000)
Memory could be an issue, but I assume you have access to a super computer?
> N2 has twins and triplets (MZ and DZ) while the other only has siblings. Eventually, we will code for MZ
> and DZ but for now, we just want to control for site and family. There are about 500ish subjects per site
> and not every family has multiple children enrolled. Every family has a unique ID while sibling/twin, the
> triplet is coded as 0,1,2,3.
Do you have other explanatory variables such as subject traits or behavior measures? The current implementation in 3dLME is not well-suited for the complexity involved in your case. I may have to write a separate program with a small testing dataset to handle the situation.
Gang
Edited 1 time(s). Last edit at 03/07/2019 03:42PM by Gang.