szcf-weiya issues

Results 96 issues of


szcf-weiya

Ex. 10.9

![image](https://user-images.githubusercontent.com/13688320/36834975-9dc6fcb4-1d6f-11e8-8e20-c7069738b0b5.png)

exercise

compare several r packages for lasso

inspired by [LASSO solution path](https://d.cosx.org/d/132035-132035)

Ex. 5.11

![selection_645](https://user-images.githubusercontent.com/13688320/37578246-8c43d618-2b72-11e8-8c82-45b7408e4ccd.png)

exercise

Ex. 6.5

![image](https://user-images.githubusercontent.com/13688320/36955493-c8ed2534-2063-11e8-978e-e9581b794c45.png)

exercise

Ex. 12.3

![image](https://user-images.githubusercontent.com/13688320/36930453-fb273c6c-1edb-11e8-9666-c76958db4622.png)

exercise

原文[SVM作为惩罚的方法](https://esl.hohoweiya.xyz/12-Support-Vector-Machines-and-Flexible-Discriminants/12.3-Support-Vector-Machines-and-Kernels/index.html#svm_1)中提到 hierarchical basis。可参考的文献 1. https://www5.in.tum.de/lehre/vorlesungen/asc/ss16/hierbas_1D.pdf

question

SVM with Gaussian kernel

![image](https://user-images.githubusercontent.com/13688320/36847623-e110b2ec-1d99-11e8-8ed6-c5ec369e753f.png) This is a question posted on [支持向量机高斯核方法？ - 知乎](https://www.zhihu.com/question/267999284)

exercise

inprocess

zhihu

simulation fig. 12.2

refer to fig. 2.5

simulation

Ex. 5.2

![selection_612](https://user-images.githubusercontent.com/13688320/36062856-6d262324-0eaf-11e8-8d1c-5c26e572b6d5.png)

exercise

inprocess

Simulations of Fig. 13.5

![r 93sacffphoovo 9d byu](https://user-images.githubusercontent.com/13688320/35768158-78ec5804-0932-11e8-881a-62be7b469871.png)

simulation