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Analysis and Methods to Mitigate Effects of Under-reporting in Count Data
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Analysis and Methods to Mitigate Effects of Under-reporting in Count Data
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Paper
Analysis and Methods to Mitigate Effects of Under-reporting in Count Data
2021
Overview
Under-reporting of count data poses a major roadblock for prediction and inference. In this paper, we focus on the Pogit model, which deconvolves the generating Poisson process from the censuring process controlling under-reporting using a generalized linear modeling framework. We highlight the limitations of the Pogit model and address them by adding constraints to the estimation framework. We also develop uncertainty quantification techniques that are robust to model mis-specification. Our approach is evaluated using synthetic data and applied to real healthcare datasets, where we treat in-patient data as `reported' counts and use held-out total injuries to validate the results. The methods make it possible to separate the Poisson process from the under-reporting process, given sufficient expert information. Codes to implement the approach are available via an open source Python package.
Publisher
Cornell University Library, arXiv.org
Subject
