Greek-Sentiment-Analysis

As a result of my MSc thesis : "Study on Social Media Data"

https://dias.library.tuc.gr/view/89031

Playlist to hear that I have created for reading my repos :D : https://open.spotify.com/playlist/13PihYZ73GTgCN6snGAZnV?si=04ad54b6ae244a47

Package rtweet v. 0.7.0

Greek-Sentiment-Analysis Lexicon Based The following scripts was used to:

• Extract Sentiment of Tweets written to Greek Language
• Perform Network Analysis at words
• Get the most frequent words Get the geographic locations of Tweet

In order to achieve Sentiment Analysis in Greek Language I used the Greek Sentiment Lexicon which you can also find in this repository https://github.com/MKLab-ITI/greek-sentiment-lexicon

For Network Analysis the code in R was from the below website adjusted to our needs: https://juanitorduz.github.io/text-mining-networks-and-visualization-plebiscito-tweets/

What you can find in this repository

• The Scripts
• Some Sample files :
  1. sentiment analysis data.xlsx (Data)
  2. greek_stop_words.csv (Stop Words)
  3. emojis.csv (Actually didn't use them yet 😏)

• The graphs

• Networks

Using the scripts to

• Establish Connections to Twitter's API
• Data Selection - Data Gathering
• Cleaning - Integration - Storage
• Feature Extraction
• Knowledge extraction
• Visualization
• Bigrams
• Word Network Graphs

Some Graph to check using Hamming Distance

Anger

|

Disgust

Fear

Happiness

Sadness

Surprise

Polarity

Word Networks

What you can find in this repository

• The Scripts
• Some Sample files :
  1. sentiment analysis data.xlsx (Data)
  2. greek_stop_words.csv (Stop Words)
  3. emojis.csv (Actually didn't use them yet 😏)
• The graphs

Latest Updates

**February 2021 There were some several additions regarding the following:

• GreeK Sentiment Lexicon : Updating the Polarity Values ( NAs --> 0 , Both --> [average of total values if average = 0 then Both --> 0 , average<0 Both -->-1 ,average>0 Both -->1] new name **Fixed Sentiment Lexicon
• Emojis Sentiment Lexicon
• Sentiment Analysis Revised (script) : taking under consideration all the values provided by the annotators of Greek Sentiment Lexicon
• Addition of Polarity

**May 2021

• Addition of Bigram and Network Analysis