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You're reading from  Hadoop Real-World Solutions Cookbook - Second Edition

Product typeBook
Published inMar 2016
Publisher
ISBN-139781784395506
Edition2nd Edition
Tools
HadoopEclipse
Concepts
Data Processing
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Author (1)
Tanmay Deshpande
Tanmay Deshpande
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Tanmay Deshpande

Tanmay Deshpande is a Hadoop and big data evangelist. He currently works with Schlumberger as a Big Data Architect in Pune, India. He has interest in a wide range of technologies, such as Hadoop, Hive, Pig, NoSQL databases, Mahout, Sqoop, Java, cloud computing, and so on. He has vast experience in application development in various domains, such as oil and gas, finance, telecom, manufacturing, security, and retail. He enjoys solving machine-learning problems and spends his time reading anything that he can get his hands on. He has great interest in open source technologies and has been promoting them through his talks. Before Schlumberger, he worked with Symantec, Lumiata, and Infosys. Through his innovative thinking and dynamic leadership, he has successfully completed various projects. He regularly blogs on his website http://hadooptutorials.co.in. You can connect with him on LinkedIn at https://www.linkedin.com/in/deshpandetanmay/. He has also authored Mastering DynamoDB, published in August 2014, DynamoDB Cookbook, published in September 2015, Hadoop Real World Solutions Cookbook-Second Edition, published in March 2016, Hadoop: Data Processing and Modelling, published in August, 2016, and Hadoop Blueprints, published in September 2016, all by Packt Publishing.
Read more about Tanmay Deshpande

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Performing Twitter Sentiment Analytics using R

In an earlier chapter, we saw how to perform Twitter sentiment analytics using Hive and Hadoop. In this recipe, we are going to take a look at how to do this using R.

Getting ready

To perform this recipe, you should have R installed on your machine. You should also have a Twitter account and an application that has an API key, API secret, Access Token, and an Access Secret with you so that you can receive tweets in real time.

How to do it...

To get started, first of all, we need to install certain R packages, which will be required in this recipe. The following are the commands:

>install.packages("twitteR")
>install.packages("plyr")
>install.packages("stringr")
>install.packages(c("devtools", "rjson", "bit64", "httr"))

Once the installation is complete, load the following packages:

>library(devtools)
>library(twitteR)

Next, we need to provide the keys provided that are by Twitter on its application page, as follows:

>api_key <...
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Hadoop Real-World Solutions Cookbook - Second Edition
Published in: Mar 2016Publisher: ISBN-13: 9781784395506
© 2016 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Tanmay Deshpande

Tanmay Deshpande is a Hadoop and big data evangelist. He currently works with Schlumberger as a Big Data Architect in Pune, India. He has interest in a wide range of technologies, such as Hadoop, Hive, Pig, NoSQL databases, Mahout, Sqoop, Java, cloud computing, and so on. He has vast experience in application development in various domains, such as oil and gas, finance, telecom, manufacturing, security, and retail. He enjoys solving machine-learning problems and spends his time reading anything that he can get his hands on. He has great interest in open source technologies and has been promoting them through his talks. Before Schlumberger, he worked with Symantec, Lumiata, and Infosys. Through his innovative thinking and dynamic leadership, he has successfully completed various projects. He regularly blogs on his website http://hadooptutorials.co.in. You can connect with him on LinkedIn at https://www.linkedin.com/in/deshpandetanmay/. He has also authored Mastering DynamoDB, published in August 2014, DynamoDB Cookbook, published in September 2015, Hadoop Real World Solutions Cookbook-Second Edition, published in March 2016, Hadoop: Data Processing and Modelling, published in August, 2016, and Hadoop Blueprints, published in September 2016, all by Packt Publishing.
Read more about Tanmay Deshpande

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