10 Minutes to pandas This is a short introduction to pandas, geared mainly for new users. You can see more complex recipes in the Cookbook Customarily, we import as follows: In [1]: import pandas as pd In [2]: import numpy as np In [3]: import matplo
10分钟入门 pandas 评:我跟作者的智商差距是有多大,才能让我用60分钟看完作者认为10分钟的内容... 详细内容见 Cookbook 习惯上我们先导入 : In [1]: import pandas as pd In [2]: import numpy as np In [3]: import matplotlib.pyplot as plt 创建序列(Series),输入可为列表(list): In [4]: s = pd.Series([1,3,5,np.nan,6,8]) In [
本节介绍Series和DataFrame中的数据的基本手段 重新索引 pandas对象的一个重要方法就是reindex,作用是创建一个适应新索引的新对象 >>> from pandas import Series,DataFrame >>> obj=Series([4.5,7.2,-5.3,3.6],index=['d','b','a','c']) >>> obj d 4.5 b 7.2 a -5.3 c 3.6 dtype: float64#rein