January 01, 1999 article Analyzing developmental trajectories: A semiparametric, group-based approach. Psychological Methods DOI: 10.1037//1082-989x.4.2.139 OpenAlex Authors 0 Author list not loaded yet. Cited by 1 stored of 132 Search Sort Most cited Newest Oldest Patent citations Title Any typearticle review book-chapter conference-paper preprint dissertation book dataset other Any fieldAgricultural and Biological Sciences Arts and Humanities Biochemistry, Genetics and Molecular Biology Business, Management and Accounting Chemical Engineering Chemistry Computer Science Decision Sciences Dentistry Earth and Planetary Sciences Economics, Econometrics and Finance Energy Engineering Environmental Science Health Professions Immunology and Microbiology Materials Science Mathematics Medicine Neuroscience Nursing Pharmacology, Toxicology and Pharmaceutics Physics and Astronomy Psychology Social Sciences Veterinary Open access StepMix: A Python Package for Pseudo-Likelihood Estimation of Generalized Mixture Models with External Variables 2025 Journal of Statistical Software software-paper Computer Science Bayesian Methods and Mixture Models Open access 22 citations 1 result References 0