Python 对Twitter tweet的元素 (Word, Screen Name, Hash Tag)的频率分析

CODE: #!/usr/bin/python # -*- coding: utf-8 -*- ''' Created on 2014-7-2 @author: guaguastd @name: tweet_frequency_analysis.py ''' if __name__ == '__main__': # import frequency from frequency import frequency_analysis # import search from search impor…

Python 对Twitter tweet的元素 (Word, Screen Name, Hash Tag)的词汇多样性分析

CODE: #!/usr/bin/python # -*- coding: utf-8 -*- ''' Created on 2014-7-3 @author: guaguastd @name: tweet_lexical_diversity.py ''' if __name__ == '__main__': # import login, see http://blog.csdn.net/guaguastd/article/details/31706155 from login import…

Python 对新浪微博的博文元素 (Word, Screen Name)的频率分析

CODE: #!/usr/bin/python # -*- coding: utf-8 -*- ''' Created on 2014-7-9 @author: guaguastd @name: weiboFrequencyAnalysis.py ''' if __name__ == '__main__': # get weibo_api to access sina api from sinaWeiboLogin import sinaWeiboLogin sinaWeiboApi = sin…

Python 新浪微博元素 (Word, Screen Name)词汇多样性

CODE: #!/usr/bin/python # -*- coding: utf-8 -*- ''' Created on 2014-7-10 @author: guaguastd @name: weiboLexicalDiversity.py ''' if __name__ == '__main__': # get weibo_api to access sina api from sinaWeiboLogin import sinaWeiboLogin sinaWeiboApi = sin…

通过遍历而非排序求最值 python list in 时间复杂度列表元素存在性

Write a function: def solution(A) that, given an array A of N integers, returns the smallest positive integer (greater than 0) that does not occur in A. For example, given A = [1, 3, 6, 4, 1, 2], the function should return 5. Given A = [1, 2, 3], the…

python——删除列表中的元素

在python中,删除列表元素的方法有三种,分别为remove(),del(),pop()函数 (1)remove() >>> name = ['小明','小华','小红','小李','小霞','小文'] >>> name.remove('小红') >>> name ['小明', '小华', '小李', '小霞', '小文'] remove()函数里面的参数必须是列表中已有的元素值. (2)del() >>> name = ['小明'…

python去除列表中重复元素的方法

列表中元素位置的索引用的是L.index 本文实例讲述了Python去除列表中重复元素的方法.分享给大家供大家参考.具体如下: 比较容易记忆的是用内置的set 1 2 3 l1 = ['b','c','d','b','c','a','a'] l2 = list(set(l1)) print l2 还有一种据说速度更快的,没测试过两者的速度差别 1 2 3 l1 = ['b','c','d','b','c','a','a'] l2 = {}.fromkeys(l1).keys() print l2…

如何在python列表中查找某个元素的索引

如何在python列表中查找某个元素的索引 2019-03-15 百度上回复别人的问题,几种方式的回答: 1) print('*'*15,'想找出里面有重复数据的索引值','*'*15) listA = [100, 94, 88, 82, 76, 70, 64, 58, 52, 46, 40, 34,76] print('列表中第1次出现的位置 = ',listA.index(76)) 2) a_list = ['a','b','c','c','d','c'] find = 'c' print(…

Python+Selenium自动化-定位一组元素，单选框、复选框的选中方法

Python+Selenium自动化-定位一组元素,单选框.复选框的选中方法之前学习了8种定位单个元素的方法,同时webdriver还提供了8种定位一组元素的方法.唯一区别就是在单词element后面增加了一个s表示复数: 0.定位一组元素 find_elements_by_id('') find_elements_by_id_by_class_name('') find_elements_by_tag_name('') find_elements_by_link_text('') fin…

Python+Selenium自动化-定位页面元素的八种方法

Python+Selenium自动化-定位页面元素的八种方法本篇文字主要学习selenium定位页面元素的集中方法,以百度首页为例子. 0.元素定位方法主要有: id定位:find_element_by_id(' ') name定位:find_element_by_name(' ') class定位:find_element_by_class_name(' ') tag定位:find_element_by_tag_name(' ') link定位:find_element_by_link_…

Python 提取Twitter tweets中的元素（包括text, screen names, hashtags）

CODE: #!/usr/bin/python # -*- coding: utf-8 -*- ''' Created on 2014-7-1 @author: guaguastd @name: extract_tweet_entities.py ''' if __name__ == '__main__': import json # import search from search import search_for_tweet # import login, see http://blog…

Python 对Twitter中指定话题的Tweet基本元素的频谱分析

CODE: #!/usr/bin/python # -*- coding: utf-8 -*- ''' Created on 2014-7-9 @author: guaguastd @name: entities_frequency_map.py ''' if __name__ == '__main__': # import Counter from collections import Counter # import visualize from visualize import visua…

Python 可视化Twitter中指定话题中Tweet的词汇频率

CODE: #!/usr/bin/python # -*- coding: utf-8 -*- ''' Created on 2014-7-8 @author: guaguastd @name: plot_frequencies_words.py ''' if __name__ == '__main__': #import json # import Counter from collections import Counter # import search from search impor…

Python 查找Twitter中特定话题中最流行的10个转发Tweet

CODE: #!/usr/bin/python # -*- coding: utf-8 -*- ''' Created on 2014-7-4 @author: guaguastd @name: find_popular_retweets.py ''' if __name__ == '__main__': # import login, see http://blog.csdn.net/guaguastd/article/details/31706155 from login import tw…

Python 对Twitter中指定话题的被转载Tweet数量的频谱分析

CODE: #!/usr/bin/python # -*- coding: utf-8 -*- ''' Created on 2014-7-10 @author: guaguastd @name: retweet_frequency_map.py ''' if __name__ == '__main__': # import visualize from visualize import visualize_frequency_map # pip install prettytable # fr…

Python 提取Twitter转发推文的元素（比方username）

CODE: #!/usr/bin/python # -*- coding: utf-8 -*- ''' Created on 2014-7-24 @author: guaguastd @name: extract_retweet_attributions.py ''' if __name__ == '__main__': # import login, see http://blog.csdn.net/guaguastd/article/details/31706155 from login i…

使用Python对Twitter进行数据挖掘(Mining Twitter Data with Python)

目录 1.Collecting data 1.1 Register Your App 1.2 Accessing the Data 1.3 Streaming 2.Text Pre-processing 2.1 The Anatomy of a Tweet 2.2 How to Tokenise a Tweet Text 3.Term Frequencies 3.1 Counting Terms 3.2 Removing stop-words 3.3 More term filters 4.Ru…

Selenium2+python自动化8-SeleniumBuilder辅助定位元素

前言福利来了,对于用火狐浏览器的小伙伴们,你还在为定位元素而烦恼嘛? 上古神器Selenium Builder来啦,哪里不会点哪里,妈妈再也不用担心我的定位元素问题啦!(但是也不是万能,基本上都能覆盖到) 一.安装Selenium Builder 在火狐浏览器的附加组件中搜索添加Selenium Builder即可.安装好后如下图所示: 二.直接运用 1.打开你要测试的URL或者打开插件后输入你要测试的URL,如下图 2.点击后弹出一个弹窗,如下图: 注:如果你是直接在你要测的网页页面打开这个…

Selenium2+python自动化11-定位一组元素find_elements

前言前面的几篇都是讲如何定位一个元素,有时候一个页面上有多个对象需要操作,如果一个个去定位的话,比较繁琐,这时候就可以定位一组对象. webdriver 提供了定位一组元素的方法,跟前面八种定位方式其实一样,只是前面是单数,这里是复数形式:find_elements 本篇拿百度搜索作为案例,从搜索结果中随机选择一条搜索结果,然后点击查看. 一.定位搜索结果 1.在百度搜索框输入关键字“测试部落”后,用firebug查看页面元素,可以看到这些搜索结果有共同的属性. 2.从搜索的结果可以看到,他们…

Python 以指定概率获取元素

这是Python cookbook的示例 1 def random_pick(some_list,probabilities): 2 x=random.uniform(0,1) 3 cumulative_probability=0.0 4 for item,item_probability in zip(some_list,probabilities): 5 cumulative_probability+=item_probability 6 if x < cumulative_probabil…

Python 收集Twitter时间序列数据

CODE: #!/usr/bin/python # -*- coding: utf-8 -*- ''' Created on 2014-7-18 @author: guaguastd @name: collect_time_series.py ''' if __name__ == '__main__': # import json import json # import partial from functools import partial # import trend from tren…

Python 获取Twitter用户与Friends和Followers的关系(eg, 交集，差集)

CODE: #!/usr/bin/python # -*- coding: utf-8 -*- ''' Created on 2014-7-30 @author: guaguastd @name: friends_followers_analyzer.py ''' if __name__ == '__main__': # import json #import json # import search from search import search_for_tweet # import ge…

Python 得到Twitter所有用户friends和followers

CODE: #!/usr/bin/python # -*- coding: utf-8 -*- ''' Created on 2014-7-29 @author: guaguastd @name: friends_followers_fetch.py ''' if __name__ == '__main__': # import json import json # import search from search import search_for_tweet # import get_fr…