Mortality Forecasting Using Variational Inference
Copyright policy )Mortality Forecasting Using Variational Inference
ABSTRACT This paper considers the problem of forecasting mortality rates. A large number of models have already been proposed for this task, but they generally have the disadvantage of either estimating the model in a two‐step process, possibly losing efficiency, or relying on methods that are cumbersome for the practitioner to use. We instead propose using variational inference and the probabilistic programming library Pyro for estimating the model. This allows for flexibility in modelling assumptions while still being able to estimate the full model in one step. The models are fitted on Swedish mortality data, and we find that the in‐sample fit is good and that the forecasting performance is better than other popular models. Code is available online ( https://github.com/LPAndersson/VImortality ).
FOS: Computer and information sciences, mortality forecasting, Sannolikhetsteori och statistik, Applications (stat.AP), nonlinear state-space models, Probability Theory and Statistics, hidden Markov model, Statistics - Applications, variational inference
FOS: Computer and information sciences, mortality forecasting, Sannolikhetsteori och statistik, Applications (stat.AP), nonlinear state-space models, Probability Theory and Statistics, hidden Markov model, Statistics - Applications, variational inference
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