仓库

knn

http://blog.sina.com.cn/s/blog_8d249b140102wf3m.html

斯坦福大学免费课程：要climb the wall 都是Youtube

http://scpd.stanford.edu/free-stuff/free-stuff

ps://www.cs.rutgers.edu/~vladimir/pub/课件

https://piazza.com/

关于kernal的课件：

https://www.cs.rutgers.edu/~vladimir/pub/kuksa07wabi.pdf

https://github.com/zyxue/stanford-cs229/tree/master/Problem-set-4

投影与射影：

https://wenku.baidu.com/view/71e82d153868011ca300a6c30c2259010302f350.html

dot products and projection：

https://math.oregonstate.edu/home/programs/undergrad/CalculusQuestStudyGuides/vcalc/dotprod/dotprod.html

吴恩达学生的笔记

http://www.dsplog.com/2012/02/05/weighted-least-squares-and-locally-weighted-linear-regression/

吴恩达的课件：

https://see.stanford.edu/Course/CS229/47

http://cs229.stanford.edu/notes/”

MIT计量经济学

https://ocw.mit.edu/courses/economics/14-385-nonlinear-econometric-analysis-fall-2007/download-course-materials/

sklearn:

https://blog.csdn.net/qsczse943062710/article/details/76021034

多项式矩阵：

https://wenku.baidu.com/view/737962247275a417866fb84ae45c3b3567ecdd08.html