ltvlms 0.1.0

• Initial implementation of Logistic, Gompertz, Richards, and LTVLMS curves.
• Bounded multi-start fitting with Latin hypercube initialization.
• Default LTVLMS r0 search range and the South Africa regression test aligned with the latest manuscript’s reported Table 3 parameter scale.
• Standard and manuscript-compatible performance metrics.
• Random and forward-in-time cross-validation.
• South Africa and 63-country UNAIDS-derived prevalence datasets.
• Base R prediction, extraction, printing, and plotting methods.
• Display Gompertz and Richards with publication-style capitalization in comparison-plot legends while retaining lowercase programmatic model names.
• Add ORCID identifiers for Redouane Betrouni, Tewfik Kernane, and Bander Hussein to package and citation metadata.