070.3-movie-recommender.md

title	redirect_from	video_number	date	video_id	repository	web_editor	links	parts
Nearest Neighbors Recommendation Engine - Part 3	CodingChallenges/70.3-movie-recommender.html	70.3	2017-05-11	aMtckmWAzDg	CC_070.3_movie_recommender	aIYPcl4me	title url The Nature of Code Part 2 (Spring 2017) - Intelligence and Learning https://github.com/shiffman/NOC-S17-2-Intelligence-Learning title url Notes on Pearson's correlation coefficient https://github.com/shiffman/NOC-S17-2-Intelligence-Learning/wiki/Glossary:-Statistics#correlation title url ITP Thesis 2017 https://itp.nyu.edu/shows/thesis2017/	title url Nearest Neighbors Recommendation Engine - Part 1 /CodingChallenges/070.1-similarity-score title url Nearest Neighbors Recommendation Engine - Part 2 /CodingChallenges/070.2-nearest-neighbors

In this coding challenge, I create a movie recommendation engine using the a "nearest neighbor" algorithm. In this third (and final) part, I use the K-Nearest Neighbor machine learning algorithm to predict ratings for movies I haven't seen yet.