“principal components analysis”的概念、定义、翻译、参考文献-科学参考

单词	principal components analysis
释义	principal components analysis Encyclopedia 理学主元素分析释 principal components analysis主成分分析使用正交变换将一组可能相关的变量转换成一组线性不相关的变量，将获取的新变量按方差依次递减的顺序排列，从中选取少数对方差贡献最大的成分，从而简化数据集的技术。是一种数学变换的方法。
随便看	convex body convex-body theorem convex broken line convex cell convex circled set convex closed curve convex closed set convex closure convex closure of a saddle function convex closure of a saddle-function convex closure of saddle function convex combination convex-compact mapping convex-complex space convex-concave convex concave function convex-concave function convex-concave mapping convex cone convex constraint condition convex cooperative game convex core convex curve convex decomposition convex domain

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。