美国各州立法机构的政策议程
1Independent Researcher, Received Ph.D at the University of Illinois at Urbana-Champaign, Champaign, Illinois, USA.
Scientific data
|July 22, 2025
概括
研究人员开发了一种机器学习模型,将州立法法案分为28个政策领域. 这种方法有效地分析了数以百万计的账单,有助于研究美国的次国家治理.
科学领域:
- 政治科学 政治科学是指政治学.
- 计算机科学 计算机科学
- 计算社会科学 计算社会科学
背景情况:
- 州立法机关处理关键的政策问题,但其分散的性质使研究复杂化.
- 观察和分析大量的州立法法案对研究人员来说是一个重大挑战.
研究的目的:
- 开发和验证一种机器学习模型,用于将州立法法案分类为不同的政策领域.
- 自2009年以来,通过编码国家法案的宇宙来实现次国家治理的大规模分析.
主要方法:
- 利用基于变压器架构的机器学习模型.
- 使用上下文词片嵌入来处理大约136万个州账单.
- 将法案编码为28个不同的政策领域.
主要成果:
- 机器学习模型成功地对州法案的综合数据集进行了分类.
- 验证证实了模型的表现有利于手工编码的估计.
- 与传统的基于字典的方法相比,该方法的覆盖率更高.
结论:
- 开发的机器学习方法为州立法法案的政策领域编码提供了可扩展和准确的解决方案.
- 这种方法为研究人员提供了有价值的数据,用于调查美国的次国家治理.
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