
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 …
Principal component analysis - Wikipedia
Principal component analysis (PCA) is a linear dimensionality reduction technique with applications in exploratory data analysis, visualization and data preprocessing. The data are …
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 …
Principal Component Analysis (PCA): Explained Step-by-Step ...
Jun 23, 2025 · Principal component analysis (PCA) is a technique that reduces the number of variables in a data set while preserving key patterns and trends. It simplifies complex data, …
Machine Learning - Principal Component Analysis
Principal Component Analysis (PCA) is a popular unsupervised dimensionality reduction technique in machine learning used to transform high-dimensional data into a lower …
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.
What is Principal Component Analysis (PCA) in ML? - Simplilearn
Jun 9, 2025 · 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 …