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| 因子分析× | Lasso回帰× | |
|---|---|---|
| 分野≠ | 研究統計 | 機械学習 |
| 系統≠ | Process / pipeline | Machine learning |
| 提唱年≠ | 1931 | 1996 |
| 提唱者≠ | Louis Leon Thurstone | Tibshirani, R. |
| 種類≠ | Method | Regularized linear regression (L1 penalty) |
| 原典≠ | Thurstone, L. L. (1947). Multiple Factor Analysis. University of Chicago Press. DOI ↗ | Tibshirani, R. (1996). Regression Shrinkage and Selection via the Lasso. Journal of the Royal Statistical Society: Series B, 58(1), 267–288. DOI ↗ |
| 別名≠ | EFA, CFA, latent variable modeling | LASSO Regresyonu, lasso, L1-regularized regression, L1 regularization |
| 関連≠ | 3 | 4 |
| 概要≠ | Factor analysis is a statistical technique for identifying latent (unobserved) dimensions underlying observed variables, developed by Louis Leon Thurstone in the 1930s and formalized by Jöreskog (1969). Exploratory factor analysis (EFA) discovers unknown factor structure from data; confirmatory factor analysis (CFA) tests hypothesized relationships between observed and latent variables. Essential in psychometrics (test development), organizational research (measuring constructs like leadership style), and biomedicine (identifying disease subtypes), factor analysis reduces dimensionality while revealing conceptual organization in multivariate data. | Lasso regression, introduced by Robert Tibshirani in 1996, is a linear regression method that adds an L1 penalty to the loss so that it shrinks coefficients and performs variable selection at the same time, producing a sparse model. By driving some coefficients exactly to zero it keeps only the predictors that matter. |
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