正交对角化与主成分分析
https://github.com/Zhihao-Huang/SingleCellOmics
参考链接:
https://satijalab.org/seurat/v3.1/pbmc3k_tutorial.html
https://github.com/satijalab/seurat/blob/fc4a4f5203227832477a576bfe01bc6efeb23f51/R/dimensional_reduction.R
https://medium.com/cascade-bio-blog/creating-visualizations-to-better-understand-your-data-and-models-part-1-a51e7e5af9c0