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  1. 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 …

  2. Principal component analysis - Wikipedia

    Principal component analysis (PCA) is a linear dimensionality reduction technique with applications in exploratory data analysis, visualization and data preprocessing.

  3. Principal Component Analysis Guide & Example - Statistics by Jim

    Principal Component Analysis (PCA) takes a large data set with many variables per observation and reduces them to a smaller set of summary indices. These indices retain most of the …

  4. Principal Component Analysis (PCA): Explained Step-by-Step

    Jun 23, 2025 · Principal component analysis (PCA) is a dimensionality reduction technique that transforms a data set into a set of orthogonal components — called principal components — …

  5. 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 …

  6. Principal component analysis (PCA) is a mathematical algorithm that reduces the dimen-sionality of the data while retaining most of the variation in the data set1. It accomplishes this reduction …

  7. What Is a Principal Component Analysis (PCA)? - Biology Insights

    4 days ago · Principal Component Analysis (PCA) is a statistical tool designed to manage and simplify large, complicated datasets. This method reduces a collection of original variables …

  8. What is Principal Component Analysis (PCA)? – Tutorial

    What is Principal Component Analysis (PCA)? Principal Component Analysis (PCA) is a mathematical algorithm in which the objective is to reduce the dimensionality while explaining …

  9. Principal Component Analysis (PCA) · CS 357 Textbook

    PCA, or Principal Component Analysis, is an algorithm to reduce a large data set without loss of important imformation.

  10. Principal Component Analysis: What Is PCA, How It Works, …

    Oct 30, 2025 · Principal Component Analysis (PCA) is the process by which a data complex can be simplified to achieve reduced dimensions. Learn the definition of PCA, how it works along …