Regression modelCompositional data
成分数据分析 (CoDA)
成分数据分析 (CoDA) 是多元统计学的一个分支,用于处理代表整体组成部分的数据——即加和为常数(通常为1或100)的比例、百分比或浓度。CoDA由John Aitchison在其1982年的里程碑式论文中提出,它认识到标准的欧几里得方法在单纯形上失效,因此通过对数比变换来操作,以尊重成分信息的相对性质。
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来源
- Aitchison, J. (1982). The statistical analysis of compositional data. Journal of the Royal Statistical Society: Series B, 44(2), 139–177. DOI: 10.1111/j.2517-6161.1982.tb01195.x ↗
如何引用本页
ScholarGate. (2026, June 2). Compositional Data Analysis (CoDA). ScholarGate. https://scholargate.app/zh/statistics/compositional-data-analysis
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