Extending mixture of experts model to investigate heterogeneity of trajectories: When, where, and how to add which covariates.

@article{Liu2022ExtendingMO,
  title={Extending mixture of experts model to investigate heterogeneity of trajectories: When, where, and how to add which covariates.},
  author={Jin Liu and Robert A Perera},
  journal={Psychological methods},
  year={2022}
}
Researchers are usually interested in examining the impact of covariates when separating heterogeneous samples into latent classes that are more homogeneous. The majority of theoretical and empirical studies with such aims have focused on identifying covariates as predictors of class membership in the structural equation modeling framework. In other words, the covariates only indirectly affect the sample heterogeneity. However, the covariates' influence on between-individual differences can…