update

SuperSupeng · SuperSupeng · commit 0eba980ffb18 · 2021-08-24T14:41:59.000+08:00
diff --git a/README.md b/README.md
@@ -17,14 +17,13 @@
 
 ## 3. 机器学习中Python数据实践样例
 
-- [房价预测]()
-- [根据分数预测学生是否被录取]()
+- [量化交易]()
 
 
 ## 4. 本项目参考：
 ### 4.1 <<利用Python进行数据分析>>
 
-![利用Python进行数据分析](https://github.com/SuperSupeng/Data-analysis-with-python/blob/master/imgs/%E5%88%A9%E7%94%A8python%E8%BF%9B%E8%A1%8C%E6%95%B0%E6%8D%AE%E5%88%86%E6%9E%90.png?raw=true)
+[![利用Python进行数据分析](https://github.com/SuperSupeng/Data-analysis-with-python/blob/master/imgs/%E5%88%A9%E7%94%A8python%E8%BF%9B%E8%A1%8C%E6%95%B0%E6%8D%AE%E5%88%86%E6%9E%90.png?raw=true)](https://www.amazon.com/gp/product/1491957662/ref=as_li_tl?ie=UTF8&tag=quantpytho-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=1491957662&linkId=8c3bf87b221dbcd8f541f0db20d4da83)
 
 ### 4.2 [Bokeh](https://github.com/bokeh/bokeh)开源项目
 
@@ -34,14 +33,8 @@
 
 ### 4.3 <<特征工程入门与实践>>
 
-![特征工程入门与实践](https://github.com/SuperSupeng/Data-analysis-with-python/blob/master/imgs/%E7%89%B9%E5%BE%81%E5%B7%A5%E7%A8%8B%E5%85%A5%E9%97%A8%E4%B8%8E%E5%AE%9E%E8%B7%B5.jpg?raw=true)
+[![特征工程入门与实践](https://github.com/SuperSupeng/Data-analysis-with-python/blob/master/imgs/%E7%89%B9%E5%BE%81%E5%B7%A5%E7%A8%8B%E5%85%A5%E9%97%A8%E4%B8%8E%E5%AE%9E%E8%B7%B5.jpg?raw=true)](https://item.jd.com/12530567.html)
 
 ### 4.4 <<美团机器学习实践>>
 
-![美团机器学习实践](https://github.com/SuperSupeng/Data-analysis-with-python/blob/master/imgs/%E7%BE%8E%E5%9B%A2%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E5%AE%9E%E8%B7%B5.jpg?raw=true)
-
-- [购买利用python进行数据分析](https://www.amazon.com/gp/product/1491957662/ref=as_li_tl?ie=UTF8&tag=quantpytho-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=1491957662&linkId=8c3bf87b221dbcd8f541f0db20d4da83)
-- [购买特征工程入门与实践](https://item.jd.com/12530567.html)
-- [购买美团机器学习实践](https://item.jd.com/12414240.html)
-- [bokeh官方网站](https://docs.bokeh.org/en/latest/index.html)
-
+[![美团机器学习实践](https://github.com/SuperSupeng/Data-analysis-with-python/blob/master/imgs/%E7%BE%8E%E5%9B%A2%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E5%AE%9E%E8%B7%B5.jpg?raw=true)](https://item.jd.com/12414240.html)
