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  1. Principal Component Analysis (PCA) - GeeksforGeeks

    Jul 11, 2025 · PCA (Principal Component Analysis) is a dimensionality reduction technique used in data analysis and machine learning. It helps you to reduce the number of features in a …

  2. 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 …

  3. Principal component analysis - Wikipedia

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

  4. 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 …

  5. 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 — …

  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. 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 …

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

    Principal Component Analysis (PCA) is a mathematical algorithm in which the objective is to reduce the dimensionality while explaining the most of the variation in the data set.

  9. Principal Component Analysis (PCA) Explained With Examples

    Mar 20, 2025 · PCA is a technique used to make sense of complex data by transforming it into a simpler format. It takes a large set of variables and reduces them to a smaller set that still …

  10. 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.