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import wximport sqlite3 #嵌入信息库 #conn = sqlite3.connect('student information')#cursor = conn.cursor()#cursor.execute('insert into user (id,name,sr) val 阅读全文
posted @ 2021-12-12 11:52
Nurtal
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# 代码12-1 评论去重的代码 import pandas as pdimport reimport jieba.posseg as psgimport numpy as np # 去重，去除完全重复的数据 reviews = pd.read_csv("D:/JupyterLab-Portable 阅读全文
posted @ 2023-05-05 23:03
Nurtal
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import os import pandas as pd # 修改工作路径到指定文件夹 os.chdir("D:/anaconda/python-work/Three/第十一章") # 第二种连接方式 import pymysql as pm con = pm.connect(host='loca 阅读全文
posted @ 2023-04-03 23:16
Nurtal
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import pandas as pdimport matplotlib.pyplot as plt inputfile = "C:\\Users\\Lenovo\\Desktop\\original_data.xls" # 输入的数据文件data = pd.read_excel(inputfile 阅读全文
posted @ 2023-03-27 13:21
Nurtal
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import numpy as npimport pandas as pdimport matplotlib.pyplot as plt plt.rcParams["font.sans-serif"] = ["SimHei"]plt.rcParams["axes.unicode_minus"] = 阅读全文
posted @ 2023-03-19 22:43
Nurtal
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import pandas as pddatafile=r"C:\Users\Lenovo\Desktop\air_data.csv"resultfile=r"D:\explore.csv"data=pd.read_csv(datafile, encoding='utf-8')explore=dat 阅读全文
posted @ 2023-03-13 20:54
Nurtal
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import pandas as pdcatering_sale="C:/Users/Lenovo/Desktop/catering_sale.xls" data=pd.read_excel(catering_sale,index_col=u'日期')print(data.describe()) i 阅读全文
posted @ 2023-03-13 20:43
Nurtal
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# 预测财政收入，2014、2015（y） 神经网络，用到data_1import osimport numpy as npimport pandas as pdfrom sklearn.linear_model import LassoLarsfrom sklearn.linear_model i 阅读全文
posted @ 2023-03-05 22:35
Nurtal
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import pandas as pdcatering_sale="C:/Users/Lenovo/Desktop/catering_sale.xls" data=pd.read_excel(catering_sale,index_col=u'日期')print(data.describe()) i 阅读全文
posted @ 2023-02-27 00:17
Nurtal
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