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Nightingale Web (shdily.com) AIchatOS (jinshutuan.com) https://talk.hyjack.top/ https://chat2.jinshutuan.com/#/chat/1686317317430 chat.hywwwlove.top/? 阅读全文
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1、导入用于分析和可视化作图的库 import pandas as pdimport matplotlib.pyplot as pltimport seaborn as sns #seaborn也很强大,可以小试一下 da=pd.read_csv('D:/datasource/mycrawldata 阅读全文
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Numpy 属性介绍几种 numpy 的属性:• ndim:维度• shape:行数和列数• size:元素个数使用numpy首先要导入模块 import numpy as np 1#为了方便使用numpy 采用np简写列表转化为矩阵: python array = np.array([[1,2,3 阅读全文
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一、安装和导入1.1安装Matplotlib库pip install matplotlib1.2导入Matplotlib库import matplotlib.pyplot as test1二、绘图基础必备2.1figure对象创建画布对应代码: figure(num,figsize,dpi,face 阅读全文
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import numpy as npimport pandas as pd2、导入CSV或者xlsx文件:df = pd.DataFrame(pd.read_csv('name.csv',header=1))df = pd.DataFrame(pd.read_excel('name.xlsx'))或 阅读全文
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# 导库import numpy as npimport pandas as pd # 读取数据data =pd.read_csv('logistics.csv')data.head(10) 思路:直接查看不同公司的数量即可 df1=data.groupby('货运公司名称').size().res 阅读全文