
Principal Component Analysis (PCA) - GeeksforGeeks
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 information. It …
Principal component analysis - Wikipedia
scikit-learn – Python library for machine learning which contains PCA, Probabilistic PCA, Kernel PCA, Sparse PCA and other techniques in the decomposition module.
What is principal component analysis (PCA)? - IBM
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 information from …
PCA in Machine Learning: Concepts, Algorithm & Applications - upGrad
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 identifies the …
Principal Component Analysis (PCA) in Machine Learning
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.
Principal Component Analysis (PCA): Explained Step-by-Step | Built In
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 …
What is Principal Component Analysis (PCA) in ML? - Simplilearn
4 days ago · What is Principal Component Analysis (PCA)? The Principal Component Analysis is a popular unsupervised learning technique for reducing the dimensionality of large data sets. It …
Understanding Principal Component Analysis (PCA) in Machine Learning
Sep 17, 2025 · Principal Component Analysis (PCA) is a dimensionality reduction technique used in machine learning and data analysis. It transforms large datasets with many features into smaller sets …
Using Principal Component Analysis (PCA) for Machine Learning
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 works in this article, I …
Understanding Principal Component Analysis (PCA) - Medium
Oct 6, 2023 · Principal Component Analysis, or PCA, is a fundamental technique in the realm of data analysis and machine learning. It plays a pivotal role in reducing the dimensionality of complex …