u013657997的博客

Pyplot 画图 import numpy as np import matplotlib.pyplot as plt x = np.linspace(1, 10, 1000) y = x+3 plt.plot(x,y,color=‘blue’,linewidth=1.0,linestyle=’-’)#画第一个函数,设置颜色，线宽,实线 plt.xlabel(‘X-aix’)#添加座标标签 plt.ylabel(‘Y-aix’)#添加座标标签 ...

假设有这样一个表格：bug.xlsx import pandas as pd import matplotlib.pyplot as plt df= pd.read_excel('bug.xlsx') #print(xx.head) #print(df.columns) #rint (df['创建者']) print ("----------------------------------------") df.rename(columns={"创建者": "Createer", "日期": "Date"

The Basics NumPy’s main object is the homogeneous multidimensional array. It is a table of elements (usually numbers), all of the same type, indexed by a tuple of non-negative integers. In NumPy dimensions are called axes. For example, the coordinates of a

#!/usr/bin/python #coding=utf-8 #import talib import numpy as np import pandas as pd import tushare as ts import matplotlib.pyplot as plt plt.rcParams[‘font.sans-serif’] = [‘SimHei’] df = ts.get_h_dat...

https://www.w3cschool.cn/doc_numpy_1_12/numpy_1_12-generated-numpy-random-randint.html numpy.random.randint(low, high=None, size=None, dtype=‘l’) Return random integers from low (inclusive) to high (e...