Text Mining and Sentiment Analysis with Tableau and R

Text Mining and Sentiment Analysis with Tableau and R

Genre: eLearning | MP4 | Video: h264, 1280x720 | Audio: aac, 48000 Hz Language: English | VTT | Size: 478 MB | Duration: 4 section | 36 lectures | (3h 57m)What you'll learnConnect Twitter and R to harvest Tweets for certain keywordsPerform sentiment analysis based on a simple lexicon approachClean and process Tweets for further analysisExport text based data and sentiment scores from RUse Tableau to visualize sentiment analysis dataIdentify situations where sentiment analysis can be applied in a companyRequirementsYou can use either Tableau Public (free) or Tableau DesktopYou need R and RStudio ready on your machineWe will create a Twitter developer account (Twitter account required)You need basic R skills (course R Basics)DescriptionExtract valuable info out of Twitter for marketing, finance, academic or professional research and much more.This course harnesses the upside of R and Tableau to do sentiment analysis on Twitter data. With sentiment analysis you find out if the crowd has a rather positive or negative opinion towards a given search term. This search term can be a product (like in the course) but it can also be a person, region, company or basically anything as long as it is mentioned regularly on Twitter.While R can directly fetch the text data from Twitter, clean and analyze it, Tableau is great at visualizing the data. And that is the power of the method outlined in this course. You get the best of both worlds, a dream team.Content overview and course structure:The R SideGetting a Twitter developers accountConnection of Twitter and RGetting the right packages for our approachHarvesting Tweets and loading them into RRefining the harvesting approach by language, time, user or geolocationHandling Twitter meta data like: favorites, retweets, timelines, users, etcText cleaningSentiment scoring via a simple lexicon approach (in English)Data export (csv) for further Tableau workTableau Side:Data preparation for visualizationsQuick data explorationDashboardsVisualizing - Popularity of different productsPopularity between different locations on a mapChanges in popularity over timeYou only need basic R skills to follow along. There is a free version of Tableau called Tableau public desktop, or even better: as a full time college student you can get a free but full version of Tableau desktop professional.The course comes with the R code to copy into your R session.Disclaimer required by Twitter: 'TWITTER, TWEET, RETWEET and the Twitter logo are trademarks of Twitter, Inc or its affiliates.'Who this course is for:Data professionalsAnalysts in marketing, finance, ...Marketing professionalsEntrepreneursResearchers