python绘制直方图,观察close数据分布

绘制直方图,观察002045,2017年所有close数据分布

代码如下:

import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
import tushare as ts


data = ts.get_h_data('002045',start='2017-01-01',end='2017-11-17')
data = data.sort_index(axis=0, ascending=True)
a = data.close
plt.hist(a,30,normed=0,histtype='stepfilled',facecolor='b',alpha=0.75)
plt.title('close')
plt.show()

result如下:

 

posted on 2017-11-25 16:00  斯文依旧在  阅读(978)  评论(0编辑  收藏  举报