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- W4288103692 abstract "We study the nurse staffing problem under random nurse demand and absenteeism. While the demand uncertainty is exogenous (stemming from the random patient census), the absenteeism uncertainty is emph{endogenous}, i.e., the number of nurses who show up for work partially depends on the nurse staffing level. For quality of care, many hospitals have developed float pools, i.e., groups of hospital units, and trained nurses to be able to work in multiple units (termed cross-training) in response to potential nurse shortage. In this paper, we propose a distributionally robust nurse staffing (DRNS) model that considers both exogenous and endogenous uncertainties. We derive a separation algorithm to solve this model under a general structure of float pools. In addition, we identify several pool structures that often arise in practice and recast the corresponding DRNS model as a mixed-integer linear program, which facilitates off-the-shelf commercial solvers. Furthermore, we optimize the float pool design to reduce cross-training while achieving specified target staffing costs. The numerical case studies, based on the data of a collaborating hospital, suggest that the units with high absenteeism probability should be pooled together." @default.
- W4288103692 created "2022-07-28" @default.
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- W4288103692 date "2019-09-21" @default.
- W4288103692 modified "2023-09-28" @default.
- W4288103692 title "Nurse Staffing under Absenteeism: A Distributionally Robust Optimization Approach" @default.
- W4288103692 doi "https://doi.org/10.48550/arxiv.1909.09875" @default.
- W4288103692 hasPublicationYear "2019" @default.
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