PCA vs Autoencoders
Published in
5 min readApr 23, 2018
In this tutorial I will explain about the relation between PCA and an Autoencoder (AE). I assume that you have a basic grasp of what PCA and AE are, but if you are not familiar PCA or autoencoders please read [1,2].
A lot have been written about using a linearly activated autoencoder (AE) to approximate principal component analysis (PCA). From a math point of view, minimizing the reconstruction error in PCA is the same as AE…
