### 1.数据集
![](https://img.kancloud.cn/c9/16/c9161dabbcb775e29159f1e0e4ac2281_881x461.png)
![](https://img.kancloud.cn/27/58/27588746d6dc12dde1f4bab6a26b3ea2_800x424.png)
### 2.特征空间
![](https://img.kancloud.cn/87/3e/873e9df11ad7b52082e6b15bacee66a5_800x398.png)
![](https://img.kancloud.cn/38/3a/383a913bef99c4f0c51a20e9731e8d83_751x398.png)
### 3.分类任务和回归任务
![](https://img.kancloud.cn/d2/7e/d27e8cd6f6100f8b8f750c3074212ef1_373x351.png)
![](https://img.kancloud.cn/62/06/62064f69338ae1f1be9379dce468ae9f_329x182.png)
![](https://img.kancloud.cn/23/01/2301949beb6fcffaac759b89d323d9b3_638x339.png)
![](https://img.kancloud.cn/fb/a8/fba807db81e9f5d72681b0320466e479_423x308.png)
### 4.机器学习
![](https://img.kancloud.cn/00/dd/00ddc5bac76035caa6ba4ad1eef7d622_669x301.png)