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- W4287777437 abstract "We consider the problem of assigning weights to a set of samples or data records, with the goal of achieving a representative weighting, which happens when certain sample averages of the data are close to prescribed values. We frame the problem of finding representative sample weights as an optimization problem, which in many cases is convex and can be efficiently solved. Our formulation includes as a special case the selection of a fixed number of the samples, with equal weights, i.e., the problem of selecting a smaller representative subset of the samples. While this problem is combinatorial and not convex, heuristic methods based on convex optimization seem to perform very well. We describe rsw, an open-source implementation of the ideas described in this paper, and apply it to a skewed sample of the CDC BRFSS dataset." @default.
- W4287777437 created "2022-07-26" @default.
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- W4287777437 date "2020-05-18" @default.
- W4287777437 modified "2023-09-27" @default.
- W4287777437 title "Optimal Representative Sample Weighting" @default.
- W4287777437 doi "https://doi.org/10.48550/arxiv.2005.09065" @default.
- W4287777437 hasPublicationYear "2020" @default.
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