- The identification of family subtype based on the assessment of subclinical levels of psychosis in relativesEske M Derks
University Medical Center Utrecht, Department of Psychiatry, Rudolf Magnus Institute of Neuroscience, AMC APC, room PA1 179 Meibergdreef, Amsterdam, AZ 51105, The Netherlands
BMC Psychiatry 12:71. 2012..We will introduce a more refined method to distinguish between family subtypes based on psychosis dimension profiles in the relatives of schizophrenia patients...
- Latent class and finite mixture models for multilevel data setsJeroen K Vermunt
Department of Methodology and Statistics, Tilburg University, Tilburg, The Netherlands
Stat Methods Med Res 17:33-51. 2008..The appendix describes an adapted version of the expectation-maximization algorithm that can be used for maximum likelihood estimation, as well as providing setups for estimating the multilevel LC model with generally available software...
- K-means may perform as well as mixture model clustering but may also be much worse: comment on Steinley and Brusco (2011)Jeroen K Vermunt
Department of Methodology and Statistics, Tilburg University, P O Box 90153, Tilburg, The Netherlands
Psychol Methods 16:82-8; discussion 89-92. 2011..Moreover, I show that KM is equivalent to a restricted mixture model estimated by maximizing the classification likelihood and comment on Steinley and Brusco's recommendation regarding the use of mixture models for clustering...