kaggle coding to learn ML
a. 有时候git push有问题，需重启 代理 。？？？关闭vscode就推送成功，WSL占用网络的问题吗？
1. titanic
本项目大部分参考郑昀昊的知乎回答：https://www.zhihu.com/question/264338176/answer/2254709840
Data dictionary
| Variable | Definition | Key |
|---|---|---|
| survival | Survival | 0 = No, 1 = Yes |
| pclass | Ticket class | 1 = 1st, 2 = 2nd, 3 = 3rd |
| sex | Sex | |
| Age | Age in years | |
| sibsp | # of siblings / spouses aboard the Titanic | |
| parch | # of parents / children aboard the Titanic | |
| ticket | Ticket number | |
| fare | Passenger fare 票价 | |
| cabin | Cabin number 船舱号码 | |
| embarked | Port of Embarkation 上船点 | C = Cherbourg, Q = Queenstown, S = Southampton |
参考资料：a. https://www.jianshu.com/p/ebb64a159104 pandas读取文件的read_csv()
https://www.jianshu.com/p/0805f185ecdf 机器学习（十六）特征工程之数据分箱