Coding Challenge #104: Linear Regression with TensorFlow.js

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Published on May 29, 2018 7:16:01 PM ● Video Link: https://www.youtube.com/watch?v=dLp10CFIvxI

Duration: 43:45

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In this challenge, I use the TensorFlow.js library to create an interactive demonstration of linear regression (with stochastic gradient descent!) Code: https://thecodingtrain.com/challenges/104-linear-regression-with-tensorflowjs

🕹️ p5.js Web Editor Sketch: https://editor.p5js.org/codingtrain/sketches/UtOWCSYYF

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References:
💾 TensorFlow.js: https://js.tensorflow.org/
🐦 Kaustubh Olpadkar's tweet: https://twitter.com/olpadkar/status/997836558131650561

Videos:
🚂 Linear Regression with Gradient Descent: https://youtu.be/L-Lsfu4ab74
🚂 TensorFlow.js playlist: https://www.youtube.com/playlist?list=PLRqwX-V7Uu6YIeVA3dNxbR9PYj4wV31oQ
🚂 Intelligence and Learning playlist: https://www.youtube.com/playlist?list=PLRqwX-V7Uu6YJ3XfHhT2Mm4Y5I99nrIKX
🚂 ES6 Arrow Function: https://www.youtube.com/watch?v=mrYMzpbFz18
🚂 JavaScript Promises: https://www.youtube.com/watch?v=QO4NXhWo_NM&list=PLRqwX-V7Uu6bKLPQvPRNNE65kBL62mVfx

Live Stream Archive:
🔴 Coding Train Live 139: https://youtu.be/NZR-N_dhK2M?t=473s

Related Coding Challenges:
🚂 #70 Nearest Neighbors Recommendation Engine: https://youtu.be/N8Fabn1om2k
🚂 #105 Polynomial Regression with TensorFlow.js: https://youtu.be/tIXDik5SGsI
🚂 #106 XOR Problem with TensorFlow.js: https://youtu.be/N3ZnNa01BPM

Timestamps:
0:00 Introduction
1:21 What is linear regression?
3:16 What do we need?
3:41 Loss function
4:48 Optimizer
5:26 Formula for line
8:02 Let's Code!
8:23 Add data set -- mouse clicks
9:16 Remap x, y to 0, 1
12:12 Randomly initialize m and b
13:10 tf.variable()
13:39 predict()
16:13 Optimizer & learning rate
17:25 Loss function
19:24 Minimize loss
22:53 What is the optimizer doing?
27:42 Visualize regression results
32.49 dataSync()
35:00 Adjust learning rate
35:35 Memory management
41:01 Improvements

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

🚂 Website: http://thecodingtrain.com/
👾 Share Your Creation! https://thecodingtrain.com/guides/passenger-showcase-guide
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🔗 p5.js: https://p5js.org
🔗 p5.js Web Editor: https://editor.p5js.org/
🔗 Processing: https://processing.org

📄 Code of Conduct: https://github.com/CodingTrain/Code-of-Conduct

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#tensorflowjs #linearregression #stochasticgradientdescent #p5js #tensorflowjs