摘要: # -*- coding: utf-8 -*- # 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( 阅读全文
posted @ 2023-04-03 16:21 boyc 阅读(121) 评论(0) 推荐(0)
摘要: # 代码11-1 import os import pandas as pd # 修改工作路径到指定文件夹 os.chdir("E:/demo") # # 第一种连接方式 # from sqlalchemy import create_engine # engine = create_engine( 阅读全文
posted @ 2023-04-03 09:45 boyc 阅读(31) 评论(0) 推荐(0)
摘要: import pandas as pd import matplotlib.pyplot as plt inputfile = r'E:\python数据分析\Python数据分析与挖掘实战(第2版)\chapter10\demo\data/original_data.xls' # 输入的数据文件 阅读全文
posted @ 2023-04-02 17:42 boyc 阅读(56) 评论(0) 推荐(0)
摘要: import numpy as np import pandas as pd inputfile = r'C:\Users\admin\Desktop\新建文件夹\GoodsOrder.csv' # 输入的数据文件 data = pd.read_csv(inputfile,encoding = 'g 阅读全文
posted @ 2023-03-19 19:13 boyc 阅读(101) 评论(0) 推荐(0)
摘要: import pandas as pd datafile= '../data/air_data.csv' # 航空原始数据,第一行为属性标签 resultfile = '../tmp/explore.csv' # 数据探索结果表 # 读取原始数据,指定UTF-8编码(需要用文本编辑器将数据装换为UT 阅读全文
posted @ 2023-03-08 14:49 boyc 阅读(139) 评论(0) 推荐(0)
摘要: import numpy as np import pandas as pd inputfile = 'E:\python数据分析\data.csv' # 输入的数据文件 data = pd.read_csv(inputfile) # 读取数据 # 相关性分析 corr = data.corr(me 阅读全文
posted @ 2023-03-05 21:11 boyc 阅读(36) 评论(0) 推荐(0)
摘要: 绘制直方图 import pandas as pd import numpy as np catering_sale = 'E:\python数据分析\catering_fish_congee(1).xls' # 餐饮数据 data = pd.read_excel(catering_sale,nam 阅读全文
posted @ 2023-02-24 17:09 boyc 阅读(73) 评论(0) 推荐(0)
摘要: import pygame import sys import random class Bird(object): """定义一个鸟类""" def __init__(self): """定义初始化方法""" self.birdRect = pygame.Rect(65, 50, 50, 50) 阅读全文
posted @ 2021-12-15 13:14 boyc 阅读(90) 评论(0) 推荐(0)
摘要: # -*- coding:utf-8 -*- import sys import pygame pygame.init() size = width,height = 640, 480 screen = pygame.display.set_mode(size) color = (0,0,0) ba 阅读全文
posted @ 2021-12-15 13:06 boyc 阅读(127) 评论(0) 推荐(0)
摘要: # coding:utf-8 import wx class MyFrame(wx.Frame): def __init__(self,parent,id): wx.Frame.__init__(self,parent,id,'用户登录',size=(400,300)) #创建面板 panel = 阅读全文
posted @ 2021-12-15 12:56 boyc 阅读(207) 评论(0) 推荐(0)