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DeepGPD: A Deep Learning Approach for Modeling Geospatio-Temporal Extreme Events

AAAI 2022 · Time series › Causal and generative time series · approach: Generative temporal point processes · 18 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
integrate GPD maximum-likelihood loss into the deep model instead of using parameter MSEDeepGPD · GHCN precipitation test windowsnegative log-likelihood: 0.6332± 0.0102 -> 0.5688 ± 0.0036Helped
use nonlinear spatial modeling and set-valued predictors rather than a linear GPD mappingDeepGPD · GHCN precipitation test windowsnegative log-likelihood: 0.6101 ± 0.0035 -> 0.5688 ± 0.0036Helped
add GHCN set-valued predictors to NCEP vector-valued predictors (ablation)DeepGPD · GHCN precipitation test windowsnegative log-likelihood: 0.5670 ± 0.0040 -> 0.5688 ± 0.0036No clear effect
add NCEP vector-valued predictors to GHCN set-valued predictors (ablation)DeepGPD · GHCN precipitation test windowsnegative log-likelihood: 0.5706 ± 0.0035 -> 0.5688 ± 0.0036No clear effect
use GHCN set-valued predictors only, removing NCEP predictors (ablation)DeepGPD · GHCN precipitation test windowsnegative log-likelihood: 0.5688 ± 0.0036 -> 0.5706 ± 0.0035No clear effect
use NCEP vector-valued predictors only, removing GHCN predictors (ablation)DeepGPD · GHCN precipitation test windowsnegative log-likelihood: 0.5688 ± 0.0036 -> 0.5670 ± 0.0040No clear effect

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