“principal component analysis,PCA”的概念、定义、翻译、参考文献-科学参考

单词	principal component analysis,PCA
释义	principal component analysis,PCA Encyclopedia 管理学主成分分析释 principal component analysis,PCA主成分分析利用降维思想，在损失少量信息的前提下，将多个指标转化为几个综合指标的数据分析方法。又称为主分量分析。其中，每个主成分都是原始变量的线性组合，并且各主成分之间线性无关。
随便看	functional parameter functional pavement functional pigment functional plant functional polymer functional polymeric membrane functional polymer materials functional polymers functional printing functional programming functional protein functional proteomics functional psychology functional reactor functional recombination functional redundancy functional refractories functional refractories for concasting functional relation functional relationship functional representation functional requirement functional requirements Functional Requirements for Authority Data Functional Requirements for Bibliographic Records ， FRBR

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。