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stat.ME2025
Weighted compositional functional data analysis for modeling and forecasting life-table death counts
Han Lin Shang, Steven Haberman
Age-specific life-table death counts observed over time are examples of densities. Non-negativity and summability are constraints that sometimes require modifications of standard l…
stat.ME2025
Constructing prediction intervals for the age distribution of deaths
Han Lin Shang, Steven Haberman
We introduce a model-agnostic procedure to construct prediction intervals for the age distribution of deaths. The age distribution of deaths is an example of constrained data, whic…
stat.ME2024
Forecasting Age Distribution of Deaths: Cumulative Distribution Function Transformation
Han Lin Shang, Steven Haberman
Like density functions, period life-table death counts are nonnegative and have a constrained integral, and thus live in a constrained nonlinear space. Implementing established mod…