
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 …
What is principal component analysis (PCA)? - IBM
Principal component analysis, or PCA, reduces the number of dimensions in large datasets to principal components that retain most of the original information. It does this by transforming potentially …
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 linearly transformed …
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, making analysis …
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 …
Principal Component Analysis - Machine Learning Plus
Principal Components Analysis (PCA) is an algorithm to transform the columns of a dataset into a new set of features called Principal Components. By doing this, a large chunk of the information across …
Understanding Principal Component Analysis (PCA) in Machine ...
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 …