Dimensionality Reduction, with Carlos Vargas-Irwin and Tommy Hosman (Methods Meetup 2021118)
Channel: Carney Methods Meetups
Date: 2022-06-06

Introductory overview at a hybrid Methods Meetup on November 18th, 2021, in Brown University's Carney Institute for Brain Research.

0:00 Intro
0:40 The basics
2:44 What is a good reduction?
4:47 Performance metrics
6:51 Unsupervised methods: PCA, t-SNE, UMAP
13:20 Controversy
15:25 Simulated data
21:09 Human neural data
27:51 Open questions and references
31:27 Take home messages