Dimensionality reduction

https://stats.stackexchange.com/questions/134282/relationship-between-svd-and-pca-how-to-use-svd-to-perform-pca
https://stats.stackexchange.com/questions/229092/how-to-reverse-pca-and-reconstruct-original-variables-from-several-principal-com
https://alyssaq.github.io/2015/singular-value-decomposition-visualisation/
https://stats.stackexchange.com/questions/314046/why-does-andrew-ng-prefer-to-use-svd-and-not-eig-of-covariance-matrix-to-do-pca
https://fenix.tecnico.ulisboa.pt/downloadFile/3779576344458/singular-value-decomposition-fast-track-tutorial.pdf http://www.d.umn.edu/~mhampton/m4326svd_example.pdf
http://web.mit.edu/be.400/www/SVD/Singular_Value_Decomposition.htm
https://stackoverflow.com/questions/36566844/pca-projecting-and-reconstruction-in-scikit
http://www.cs.otago.ac.nz/cosc453/student_tutorials/principal_components.pdf

PCA

http://www.visiondummy.com/2014/05/feature-extraction-using-pca/

T-SNE

Original Paper
How to Use t-SNE Effectively
An illustrated introduction to the t-SNE algorithm
Good TSNE explaination PI
Good TSNE explaination PII
StatQuest: t-SNE, Clearly Explained
t-SNE Tutorial Part 1*
t-SNE Tutorial Part 2*
Why do we use Kullback-Leibler divergence rather than cross entropy in the t-SNE objective function?