Nov 13, 2025 · PCA (Principal Component Analysis) is a dimensionality reduction technique and helps us to reduce the number of features in a dataset while keeping the most important …

scikit-learn – Python library for machine learning which contains PCA, Probabilistic PCA, Kernel PCA, Sparse PCA and other techniques in the decomposition module.

PCA is commonly used for data preprocessing for use with machine learning algorithms. It can extract the most informative features from large datasets while preserving the most relevant …

Oct 10, 2025 · What is PCA used for in machine learning? PCA (Principal Component Analysis) is mainly used for dimensionality reduction, data visualization, and feature extraction.

Jun 23, 2025 · What Is Principal Component Analysis? Principal component analysis (PCA) is a dimensionality reduction and machine learning method used to simplify a large data set into a …

Oct 8, 2025 · Principal Component Analysis (PCA) in machine learning is a statistical technique used to reduce the number of features in a dataset while retaining most of its variability. It …

Jan 31, 2022 · The key aim of PCA is to reduce the number of variables of a data set, while preserving as much information as possible. Instead of explaining the theory of how PCA …