Coding Challenge #44: AFINN-111 Sentiment Analysis - Part 1

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Published on December 1, 2016 9:02:18 PM ● Video Link: https://www.youtube.com/watch?v=uw3GbsY_Pbc

Duration: 12:49

32,734 views

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In this multi-part coding challenge I implement sentiment analysis using the AFINN-111 word list. Code: https://thecodingtrain.com/challenges/44-afinn-111-sentiment-analysis

🕹️ p5.js Web Editor Sketch: https://editor.p5js.org/codingtrain/sketches/aNeMdpy-b

Other Parts of this Challenge:
📺 AFINN-111 Sentiment Analysis - Part 2: https://youtu.be/VV1JmMYceJw

🎥 Previous video: https://youtu.be/8Z9FRiW2Jlc?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH
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🎥 All videos: https://www.youtube.com/playlist?list=PLRqwX-V7Uu6ZiZxtDDRCi6uhfTH4FilpH

References:
🔗 AFINN: http://www2.imm.dtu.dk/pubdb/views/publication_details.php?id=6010
🔗 Node.js: https://nodejs.org/
🔗 Express.js: http://expressjs.com/

Livestream Archive:
🔴 Coding Train Live 68: https://youtu.be/lCzB9V9L8d0?t=2082s

Related Coding Challenges:
🚂 #42 Markov Chain Name Generator: https://youtu.be/eGFJ8vugIWA
🚂 #48 White House Social Media Data Visualization: https://youtu.be/UrznYJltZrU

Timestamps:
0:00 Introduce the coding challenge
0:16 Describe sentiment analysis techniques
1:10 Introduce the AFINN-111 list
1:37 Explain the AFINN-111 technique
3:28 Download AFINN-111 list
4:32 Process the list with a p5 sketch
5:32 Load `.txt` file as a table
6:30 Iterate through the rows
7:32 Extract word and score
8:24 Debug parsing logic
9:42 Create an object with words and scores
10:50 Save object to a JSON file
12:10 Conclude the coding challenge

Editing by Mathieu Blanchette
Animations by Jason Heglund
Music from Epidemic Sound

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🔗 p5.js: https://p5js.org
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🔗 Processing: https://processing.org

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#sentimentanalysis #afinn111 #javascript #p5js