pxy7896

摘要： #coding = utf-8 import pandas as pd import numpy as np import matplotlib as plt dates = pd.date_range('20170601', periods=6) # make a random 6*4 matrix df = pd.DataFrame(np.random.randn(6, 4), inde... 阅读全文

摘要： #coding = utf-8 import pandas as pd import numpy as np import matplotlib as plt # series, like vector, vertical aligned. s = pd.Series([1,2,np.nan,3]) print s ''' 0 1.0 1 2.0 2 NaN 3 3.... 阅读全文

摘要： 直奔主题吧。。以下是对matplotlib画图的简单讲解，代码已测试。 win7 + pycharm + python 2.7 参考文档： http://old.sebug.net/paper/books/scipydoc/matplotlib_intro.html 捷径：查看gallery，寻找要 阅读全文