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  1. MassHealth Personal Care Attendant Program | Mass.gov

    MassHealth’s Personal Care Attendant (PCA) program helps people with permanent or chronic disabilities keep their independence, stay in the community, and manage their own personal …

  2. PCA

    Dec 10, 2025 · Own a Porsche? Join the largest single marque car club in the world. Over 150,000 of your fellow Porsche owners already have. Join PCA Today! - Porsche AG

  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. The data are …

  4. 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 …

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

    Jun 23, 2025 · Principal component analysis (PCA) is a statistical technique that simplifies complex data sets by reducing the number of variables while retaining key information. PCA …

  6. 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 …

  7. 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 …

  8. PCA — scikit-learn 1.8.0 documentation

    Principal component analysis (PCA). Linear dimensionality reduction using Singular Value Decomposition of the data to project it to a lower dimensional space. The input data is …

  9. Principal Components Analysis — STATS 202 - Stanford University

    What is PCA good for? ... What is the first principal component? It is the line which passes the closest to a cloud of samples, in terms of squared Euclidean distance.

  10. Principal Component Analysis - Explained Visually

    Principal component analysis (PCA) is a technique used to emphasize variation and bring out strong patterns in a dataset. It's often used to make data easy to explore and visualize.