Mr.Z Zone

To Be the Ready Player One In the world

HDFS shell操作及JAVA编程

HDFS shell操作及JAVA编程 author：曾令泽学号：1120162062 平台：MAC OS [TOC] hadoop shell命令操作hdfs 给定目录，列出文件信息 1 $ hadoop fs -ls -R -h {dir} 其中 -ls 代表列出文件信息命令 -R 参数代表该目录下所有的文件及文件夹 -h 参数代表文件的权限，文...

Posted by Zreal on May 10, 2019

基于移动端用户行为数据的分析及挖掘

基于移动端用户行为数据的分析及挖掘 Author: Zreal 工作概述整个对数据的分析及挖掘大概分为一下几个步骤,每个步骤简介,下文会有每个步骤的详细介绍数据探索及过滤拿到的是两个数据集,一个是用户行为数据,一个是商品数据,前者有2000条数据项,后者有60w条目录项,前者是我们数据挖掘的重点.显然这样庞大的数据集以现在所拥有的硬件水平是不足以支撑我们对整个数据集进...

Posted by Zreal on May 3, 2019

Mac OS 上 Hadoop 2.7.3 安装与使用

Mac OS上 Hadoop 2.7.3 安装与使用 author: Zreal 平台：MAC OS 安装Hadoop Hadoop 分为单机版本（local mode）伪分布式版本（Peseudo-Distributed mode）和完全分布式版本（Fully Distributed mode）下文中介绍单机版本和伪分布式版本配置前期条件 Pre...

Posted by Zreal on April 29, 2019

TOEFL ALL

READING The Allende Meteorite Sometime after midnight on February 8,1969, a large, bright meteor entered Earth’s atmosphere and broke into thousands of pieces, plummeted to the ground, and scatte...

Posted by Zreal on April 19, 2019

TOEFL ALL

READING The Roman Army’s Impact on Britain In the wake of the Roman Empire’s conquest of Britain in the first century A.D., a large number of troops stayed in the new province, and these troops h...

Posted by Zreal on April 1, 2019

TOEFL Writing

Independent Writing Task A/D：Do you agree or disagree with the following statement? Television advertising directed towards young children (aged two to five) should not be allowed. Use sp...

Posted by Zreal on March 28, 2019

TOEFL Reading-Writing

READING The Arrival of Plant Life in Hawaii |TPO9 P3 When the Hawaiian Islands emerged from the sea as volcanoes, starting about five million years ago, they were far removed from other landmasse...

Posted by Zreal on March 21, 2019

TOEFL Reading-Writing

WRITING 仿写 Q1 A/D: teachers should be paid as much as doctors, lawyers or businessmen. A high salary represents this line of work is being recognized and appreciated. It has been argued that...

Posted by Zreal on March 18, 2019

TOEFL Reading-Writing

WRITING Author: Zreal 独立写作Q1 A/D:The government can take a variety of actions to help protect the environment.Which one of the following do you think is the most important for the nation’s g...

Posted by Zreal on March 14, 2019

TOEFL Reading-words-Writing

READING PRACTICE The Origin of the Pacific Island People The greater Pacific region, traditionally called Oceania, consists of three cultural areas: Melanesia, Micronesia, and Polynesia. Melanesi...

Posted by Zreal on March 10, 2019