Welcome to Rui Ying's page

Principal Component Analysis

PCA introduction

cGEnIE Simplest Summary

A simple note of cgenie study

LSP Mode


Run Emacs in WSL2


Use Emacs as a Python IDE

Emacs package: elpy, company-quickhelper

Embedding Chinese Fonts in R

embed CJK fonts in R pdf

如何分辨三文鱼、鲑鱼、大马哈鱼

Fish identification

简介如何用LaTeX进行学术写作与排版

use LaTeX to do academic writing

C语言预处理


C语言字符串IO