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对人类骨测测量的缺失数据归算方法的评估.

Jinyong Pang1, Xiaoming Liu1

  • 1USF Genomics & College of Public Health, University of South Florida, Tampa, Florida, USA.

American journal of biological anthropology
|June 1, 2023
PubMed
概括

这项研究评估了在生物考古学和法医学的缺失骨数据的统计方法. 多重归算技术,如贝叶斯线性回归和预期最大化 (EM) 与引导,被证明比单一归算方法更准确和更强大.

科学领域:

  • 生物考古学 生物考古学
  • 法医人类学 法医人类学
  • 定量生物学 定量生物学

背景情况:

  • 生物考古学和法医分析通常涉及不完整的骨标本.
  • 许多多变量统计方法需要完整的数据,需要缺失的数据归算.

研究的目的:

  • 评估流行的统计方法的性能,用于在骨架数据中赋予缺失的度量测量.
  • 为生物考古学和法医应用确定准确,稳健和高效的归算技术.

主要方法:

  • 利用了威廉·W·豪威尔斯的头骨测量数据集和高盛的骨测数据集.
  • 单个归算方法 (例如,贝叶斯主要组件分析 - BPCA) 与多个归算方法的性能比较.
  • 评估的方法包括贝叶斯线性回归 (规范2),预期最大化 (EM) 与引导 (Amelia) 和预测平均值匹配 (PMM) (老鼠).

主要成果:

  • 多重归算方法显著优于单一归算方法.
  • 贝叶斯线性回归 (norm2),带着引导的EM (Amelia) 和PMM (小鼠) 在准确性,稳定性和速度方面表现出强的表现.
  • 贝叶斯主要成分分析 (BPCA) 被确定为一种效率较低的单一归算方法.

结论:

关键词:
头骨测量学是什么意思归算是指指责一个人.缺失的数据 缺失的数据骨质量学是指骨质量学.

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  • 建议使用多种归算技术来处理骨架分析中缺少的数据.
  • 建议基于研究结果选择适当的归算方法的实用程序.
  • 这项研究为生物人类学家提供了指导,他们使用不完整的骨数据进行研究.