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spark求最受欢迎的老师的问题
url.indexOf("."))((subject,teacher),1)})val reduced=word.reduceByKey(_+_)val sorted=reduced.sortBy(_._2,false)val list=sorted.take(3)println(list.toBuffer)}}/运行结果/ArrayBuffer(...
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Big data(数据)is a lot of sets of information that are put together so they can b
Big data(数据)is a lot of sets of information that are put together so they can be used by a computer program.The computer program looks for different kinds of answers or patterns ...
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学术报告:Big Data Analytics for City Environment
many environmental researchers have dedicated their research efforts on this subject using conventional approaches.Recently,many researchers begin to use the big data analytics ...
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阅读理解 Most of you have heard of the termbig databy now.When a company records the information of millions of users
Most of you have heard of theterm"big data"by now.When a company records the information of millionsof users,it can analyze this"big data"to discover patterns and trends,allowing ...
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大数据时代审计工作转型刍议 Discussion on the Transformation of Audit Work in Big Data Era期刊界 All Journals 搜尽天下杂志 传播学术...
as a comprehensive economic supervision work,how to"speak"with big data is a major subject that needs urgent consideration at present. Keywords:big data audit transformation 本文献...
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如何成长为一名优秀的大数据开发工程师?
戳>>>https://u.geekbang.org/subject/bigdata,视频播放量 4801、弹幕量 2、点赞数 108、投硬币枚数 34、收藏人数 209、转发人数 35,视频作者 极客时间App,作者简介 欢迎大家在极客时间提升自己...
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后端工程师转大数据,好转吗?怎么转?
戳>>>https://u.geekbang.org/subject/bigdata,视频播放量 3269、弹幕量 2、点赞数 68、投硬币枚数 17、收藏人数 124、转发人数 14,视频作者 极客时间App,作者简介 欢迎大家在极客时间提升自己...
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spark开窗函数
subject|t_name|cnts|+-+-+-+|bigdata|laoli|2|bigdata|haiyuan|15|javaee|chenchan|6|php|laoliu|1|php|laoli|3|javaee|laoshi|9|bigdata|lichen|6|+-+-+-+ 操作02:row_number()over()【按照...
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使用truelicense实现用于JAVA工程license机制(包括license生成和验证)47号Gamer丶
KEYPWD=bigdata123456#STOREPWDSTOREPWD=abc123456#SUBJECTSUBJECT=bigdata#licPathlicPath=bigdata.lic#priPathpriPath=privateKeys.store#license content#issuedTimeissuedTime=2014-04-01#...
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When people hear“artificial intelligence(AI)many think of big data.There’s
When people hear“artificial intelligence(AI)”,many think of big data.There’s a reason-e卷通组卷网
subject/20190831/bigdata
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