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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 with Python - GeeksforGeeks

    Jul 11, 2025 · PCA is basically a dimension reduction process but there is no guarantee that the dimension is interpretable. The main task in this PCA is to select a subset of variables from a …

  3. Implementing PCA in Python with scikit-learn - GeeksforGeeks

    Jul 23, 2025 · Principal Component Analysis (PCA) is a dimensionality reduction technique. It transform high-dimensional data into a smaller number of dimensions called principal …

  4. Reduce Data Dimensionality using PCA - Python - GeeksforGeeks

    Jul 23, 2025 · PCA reduces the dimensions of the feature set - thereby reducing the chances of overfitting. PCA helps us reduce the dimensions of our feature set; thus, the newly formed …

  5. Mathematical Approach to PCA - GeeksforGeeks

    Jul 23, 2025 · Working of PCA: PCA works on a process called Eigenvalue Decomposition of a covariance matrix of a data set. The steps are as follows: First, calculate the covariance matrix …

  6. ML | Introduction to Kernel PCA - GeeksforGeeks

    Jul 12, 2025 · In kernel PCA, the data is transformed into a high-dimensional feature space using a non-linear mapping function, called a kernel function, and then the principal components are …

  7. How To Make PCA Plot with R - GeeksforGeeks

    Jul 23, 2025 · Principal component analysis (PCA) in R programming is the analysis of the linear components of all existing attributes. Principal components are linear combinations …

  8. Principal Component Analysis with R Programming

    Jul 12, 2025 · Principal Component Analysis (PCA) is a machine learning technique used to reduce the dimensionality of large datasets while retaining as much variance as possible.

  9. PCA and SVM Pipeline in Python - GeeksforGeeks

    Jul 23, 2025 · Principal Component Analysis (PCA) and Support Vector Machines (SVM) are powerful techniques used in machine learning for dimensionality reduction and classification, …

  10. Python - Variations of Principal Component Analysis

    Mar 13, 2023 · Principal Component Analysis (PCA) is an unsupervised dimensionality reduction and visualization technique. It is often referred to as a linear technique because the mapping …