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stat.AP2024
Forecasting age distribution of life-table death counts via α-transformation
Han Lin Shang, Steven Haberman
We introduce a compositional power transformation, known as an α-transformation, to model and forecast a time series of life-table death counts, possibly with zero counts observed…
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…