This repository contains several implementations of Weighted Principal Component Analysis, using a very similar interface to scikit-learn's sklearn.decomposition.PCA: wpca.WPCA uses a direct ...

This project analyzes population pyramid data from 1950 to 2024 for multiple countries and visualizes demographic transitions using Principal Component Analysis (PCA). The script filters for countries ...

This paper examines the the effectiveness of feature modelling to conduct 2D and 3D face recognition. In particular, PCA difference vectors are modelled using Gaussian Mixture Models (GMMs) which ...