摘要： # 代码12-1 评论去重的代码 import pandas as pd import re import jieba.posseg as psg import numpy as np # 去重，去除完全重复的数据 reviews = pd.read_csv(r"G:\data\data\revie 阅读全文

摘要： import os import pandas as pd import pymysql as pm os.chdir("G:\data\data") con = pm.connect(host='localhost',user='root',password='123456',database=' 阅读全文

摘要： import pandas as pd import numpy as np data = pd.read_excel(r'G:\data\data\original_data.xls') print('初始状态的数据形状为：', data.shape) # 删除热水器编号、有无水流、节能模式属性 阅读全文

摘要： import numpy as np import pandas as pd import matplotlib.pyplot as plt plt.rcParams["font.sans-serif"] = ["SimHei"] plt.rcParams["axes.unicode_minus"] 阅读全文

摘要： import pandas as pd datafile=r'G:\data\data\air_data.csv' resultfile=r'G:\data\data\explore.csv' data=pd.read_csv(datafile, encoding='utf-8') explore= 阅读全文

摘要： import numpy as npimport pandas as pddata0 = r'G:\WECHAT\WeChat Files\wxid_op0z9xixesag22\FileStorage\File\2023-02\data.csv'data = pd.read_csv(data0)# 阅读全文

摘要： 引入常用的python库 import pandas as pdimport numpy as npimport matplotlib.pyplot as plt catering_sale = r'G:\WECHAT\WeChat Files\wxid_op0z9xixesag22\FileSto 阅读全文

摘要： TensorFlow™是一个基于数据流编程（dataflow programming）的符号数学系统，被广泛应用于各类机器学习（machine learning）算法的编程实现，其前身是谷歌的神经网络算法库DistBelief [1] 。 Tensorflow拥有多层级结构，可部署于各类服务器、PC 阅读全文

摘要： import mathimport numpy as npimport pandas as pdfrom pandas import DataFrame,Series def sigmoid(x): #映射函数 return 1/(1+math.exp(-x)) x1=[0.29,0.50,0.00 阅读全文

摘要： # -*- coding: utf-8 -*-"""Created on Sat Dec 11 20:09:13 2021 @author: ASUS""" import pymysqlimport wxclass MyFrame(wx.Frame): def __init__(self,paren 阅读全文