Latent Dirichlet Allocation (Part 1 of 2)

Latent Dirichlet Allocation is a powerful machine learning technique used to sort documents by topic. Learn all about it in this video! This is part 1 of a 2 video series. Video 2: https://www.youtube.com/watch?v=BaM1uiCpj_E For information on my book "Grokking Machine Learning": https://www.manning.com/books/grokking-machine-learning Discount code (40%): serranoyt 0:00 Introduction 0:11 The problem 3:47 Machine that generates documents 5:13 Blueprint for the LDA machine 5:49 Probability of a document 9:22 Quiz: Which one for topics? 11:06 A distribution of distributions 11:30 More topics? More dimensions 12:20 In More dimensions 12:55 Quiz: Where to put the topics? 14:05 Two Dirichlet distributions 14:22 Latent Dirichlet Allocation 22:05 Best settings on the machine 22:37 The winning arrangements 25:28 Series of two videos 25:48 Acknowledgements 26:30 Thank you!