Update and rename README.txt to README.md

Author: yl-jiang

README.md

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+# CFSDP：2014年science上发表的聚类算法 http://science.sciencemag.org/content/344/6191/1492
+# DBSCAN:基于密度的聚类算法 https://www.aaai.org/Papers/KDD/1996/KDD96-037.pdf
+# K-means:k均值聚类算法
+## 所有算法只需下载'Compound.txt'文件并在程序中修改该文件路径即可运行。
+
+# 部分结果展示：
+## K-means
+![Aaron Swartz](https://github.com/yl-jiang/Clustering-Python/raw/master/classification/kmeans_result.jpg)
+## K-means++
+![Aaron Swartz](https://github.com/yl-jiang/Clustering-Python/raw/master/classification/kmeans++_result.jpg)
+## DBSCAN
+![Aaron Swartz](https://github.com/yl-jiang/Clustering-Python/raw/master/classification/dbscan.jpg)
+## CFSDP
+![Aaron Swartz](https://github.com/yl-jiang/Clustering-Python/raw/master/classification/cfsdp.jpg)