模拟打包与拆包
物理与社会
2021-02-03 v3
摘要
我们引入了模拟打包与拆包作为一种评估政党不公正划分选区指标的技术。我们将其应用于历史上的国会和立法选举，以评估四个指标：政党偏差、偏角、效率差距和均值-中位数差。虽然效率差距以完全可预测的方式识别模拟打包与拆包（这一事实可直接从效率差距的定义得出），且偏角在记录模拟打包与拆包方面表现非常出色，但我们得出结论，另外两个指标均记录不佳。鉴于这些指标在异常值分析中的频繁使用，这一缺陷尤为显著。
引用
@article{arxiv.2006.10665,
title = {Simulated packing and cracking},
author = {Jeffrey S. Buzas and Gregory S. Warrington},
journal= {arXiv preprint arXiv:2006.10665},
year = {2021}
}
备注
The SPC technique was used in arXiv:1707.08681 for the purpose of estimating seats shifts due to gerrymandering. There is overlap with Section 2.1 of that paper. 18 pages, 6 figures, 1 table. Ver 2: Added ref. to 2014 work of McGhee that uses the basic idea of this technique. Ver 3: Rewrote intro and discussion; added appendix