泰坦尼克号与小费与乘客数量与 鸢尾花数据集
https://www.jianshu.com/p/9099679118d8
https://www.jianshu.com/p/ff44537918e8
https://www.jianshu.com/p/bf639ec65fe1
https://www.jianshu.com/p/2ead74ae0b38
https://www.jianshu.com/p/9099679118d8
https://www.jianshu.com/p/ff44537918e8
https://www.jianshu.com/p/bf639ec65fe1
https://www.jianshu.com/p/2ead74ae0b38