2020李宏毅学习笔记——11.Unsupervised Learning: Linear Methods(无监督学习)
文章目录摘要1.Introduction(介绍)2.Clustering(聚类)2.1K-means2.2HAC3.DimensionReduction(降维)3.1HowtodoDimensionReduction?3.2PCA算法(Principlecomponentanalysis)3.2.1基于最大方差原理1.PCAfor1-D2.PCAforn-D3.2.2基于最小化误差原理3.2.3从