• Thumbnail for Principal component analysis
    Principal component analysis (PCA) is a linear dimensionality reduction technique with applications in exploratory data analysis, visualization and data...
    117 KB (14,895 words) - 17:43, 23 April 2025
  • multivariate statistics, kernel principal component analysis (kernel PCA) is an extension of principal component analysis (PCA) using techniques of kernel...
    9 KB (1,338 words) - 02:21, 13 April 2025
  • Functional principal component analysis (FPCA) is a statistical method for investigating the dominant modes of variation of functional data. Using this...
    16 KB (2,151 words) - 09:26, 29 April 2025
  • Thumbnail for L1-norm principal component analysis
    principal component analysis (L1-PCA) is a general method for multivariate data analysis. L1-PCA is often preferred over standard L2-norm principal component...
    18 KB (2,336 words) - 23:32, 30 September 2024
  • Component analysis may refer to one of several topics in statistics: Principal component analysis, a technique that converts a set of observations of...
    1 KB (171 words) - 15:42, 29 December 2020
  • Robust Principal Component Analysis (RPCA) is a modification of the widely used statistical procedure of principal component analysis (PCA) which works...
    15 KB (1,756 words) - 16:33, 30 January 2025
  • In statistics, principal component regression (PCR) is a regression analysis technique that is based on principal component analysis (PCA). PCR is a form...
    34 KB (5,109 words) - 04:50, 9 November 2024
  • Multilinear principal component analysis (MPCA) is a multilinear extension of principal component analysis (PCA) that is used to analyze M-way arrays,...
    9 KB (990 words) - 18:08, 18 March 2025
  • (2009). "Principal component analysis vs. exploratory factor analysis" (PDF). SUGI 30 Proceedings. Retrieved 5 April 2012. SAS Statistics. "Principal Components...
    72 KB (10,024 words) - 16:13, 25 April 2025
  • fewer dimensions. The data transformation may be linear, as in principal component analysis (PCA), but many nonlinear dimensionality reduction techniques...
    21 KB (2,248 words) - 07:14, 18 April 2025
  • Thumbnail for Nonlinear dimensionality reduction
    and principal component analysis. High dimensional data can be hard for machines to work with, requiring significant time and space for analysis. It also...
    48 KB (6,112 words) - 15:28, 18 April 2025
  • Thumbnail for Autoencoder
    smaller reconstruction error compared to the first 30 components of a principal component analysis (PCA), and learned a representation that was qualitatively...
    49 KB (6,211 words) - 12:15, 3 April 2025
  • Sparse principal component analysis (SPCA or sparse PCA) is a technique used in statistical analysis and, in particular, in the analysis of multivariate...
    17 KB (2,317 words) - 14:54, 31 March 2025
  • Thumbnail for Multilinear subspace learning
    as principal component analysis (PCA), independent component analysis (ICA), linear discriminant analysis (LDA) and canonical correlation analysis (CCA)...
    14 KB (1,550 words) - 11:33, 3 May 2025
  • network for unsupervised learning with applications primarily in principal components analysis. First defined in 1989, it is similar to Oja's rule in its formulation...
    8 KB (1,258 words) - 20:05, 12 December 2024
  • Thumbnail for Analysis
    variables, such as by factor analysis, regression analysis, or principal component analysis Principal component analysis – transformation of a sample...
    22 KB (2,500 words) - 22:50, 25 January 2025
  • The main methods for analysis of pump–probe data are multi-exponential fitting, principal component analysis, and phasor analysis. In multi-exponential...
    22 KB (2,529 words) - 06:06, 28 February 2025
  • European Turkey) around 7000 BC. At the autosomal level, in the Principal component analysis (PCA) the analyzed AHG individual turns out to be close to two...
    10 KB (981 words) - 20:22, 27 April 2025
  • counterpart of principal component analysis for categorical data.[citation needed] MCA can be viewed as an extension of simple correspondence analysis (CA) in...
    10 KB (1,571 words) - 15:43, 21 October 2024
  • geometric data analysis and statistical shape analysis, principal geodesic analysis is a generalization of principal component analysis to a non-Euclidean...
    1 KB (67 words) - 23:14, 12 May 2024
  • correspond to principal components and the eigenvalues to the variance explained by the principal components. Principal component analysis of the correlation...
    102 KB (13,619 words) - 18:41, 19 April 2025
  • Thumbnail for Linear discriminant analysis
    the LDA method. LDA is also closely related to principal component analysis (PCA) and factor analysis in that they both look for linear combinations of...
    47 KB (6,037 words) - 14:10, 16 January 2025
  • as the Karhunen-Loève decomposition. A rigorous analysis of functional principal components analysis was done in the 1970s by Kleffe, Dauxois and Pousse...
    48 KB (6,704 words) - 18:08, 26 March 2025
  • Directional component analysis (DCA) is a statistical method used in climate science for identifying representative patterns of variability in space-time...
    14 KB (1,912 words) - 12:14, 26 February 2024
  • semantic analysis Latent semantic mapping Latent semantic structure indexing Principal components analysis Probabilistic latent semantic analysis Spamdexing...
    58 KB (7,613 words) - 01:01, 21 October 2024
  • Thumbnail for Singular spectrum analysis
    (Principal component analysis in the time domain), on the other. Thus, SSA can be used as a time-and-frequency domain method for time series analysis —...
    42 KB (6,713 words) - 03:27, 23 January 2025
  • debated and not consistently true across scientific fields. Principal components analysis (PCA) creates a new set of orthogonal variables that contain...
    17 KB (1,941 words) - 23:14, 27 February 2025
  • Thumbnail for Photoplethysmogram
    transform (via discrete Fourier transform) analysis that filters-off physiological signals. Principal component analysis of digital holograms reconstructed from...
    19 KB (2,131 words) - 12:34, 8 August 2024
  • algorithms like k-means, dimensionality reduction techniques like principal component analysis (PCA), Boltzmann machine learning, and autoencoders. After the...
    31 KB (2,770 words) - 08:47, 30 April 2025
  • measures such as a principal component analysis, GPA uses individual level data and a measure of variance is utilized in the analysis. The Procrustes distance...
    3 KB (411 words) - 00:40, 9 December 2022