数据分析有价值的博客

python中[-1]、[:-1]、[::-1]、[n::-1]使用方法   https://blog.csdn.net/qq_21840201/article/details/85084621

 

python pandas 分类求和   https://blog.csdn.net/mandyjxm/article/details/80614369

 

Python matplotlib作图时，设置横纵坐标轴数值以百分比(%)显示     https://blog.csdn.net/u014712482/article/details/80571938

 

特征值、特征向量与PCA算法   https://www.cnblogs.com/wellp/p/8639147.html

 

用scikit-learn学习主成分分析(PCA)    https://www.cnblogs.com/pinard/p/6243025.html

 

python中 x[:,0]和x[:,1] 理解和实例解析   https://blog.csdn.net/u014159143/article/details/80307717

 

Python来做假设检验  https://segmentfault.com/a/1190000007626742