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Regresi RANSAC×Regresi Kuasa Dua Terpangkas Terkecil (LTS)×Regresi Kuantil×Anggaran Kovesarian Teguh (MCD)×
BidangStatistikStatistikEkonometrikStatistik
KeluargaRegression modelRegression modelRegression modelRegression model
Tahun asal1981198419781999
PengasasFischler & BollesPeter J. RousseeuwKoenker & BassettRousseeuw; Rousseeuw & Van Driessen (Fast-MCD)
JenisRobust linear regressionRobust linear regressionConditional quantile regressionRobust multivariate location-scatter estimator
Sumber perintisFischler, M. A. & Bolles, R. C. (1981). Random Sample Consensus: A Paradigm for Model Fitting with Applications to Image Analysis and Automated Cartography. Communications of the ACM, 24(6), 381-395. DOI ↗Rousseeuw, P. J. (1984). Least Median of Squares Regression. Journal of the American Statistical Association, 79(388), 871-880. DOI ↗Koenker, R. & Bassett, G., Jr. (1978). Regression Quantiles. Econometrica, 46(1), 33-50. DOI ↗Rousseeuw, P. J. & Van Driessen, K. (1999). A Fast Algorithm for the Minimum Covariance Determinant Estimator. Technometrics, 41(3), 212-223. DOI ↗
Aliasrandom sample consensus, RANSAC, robust regression, RANSAC RegresyonuLTS, least trimmed squares regression, trimmed least squares, robust regressionconditional quantile regression, regression quantiles, Kantil Regresyonminimum covariance determinant, MCD estimator, robust covariance estimation, Robust Kovaryans Tahmini (MCD)
Berkaitan5554
RingkasanRANSAC Regression is a robust linear regression method introduced by Fischler and Bolles in 1981 that fits a model to the inlier points of a dataset while automatically excluding outliers. Instead of fitting all the data at once, it repeatedly samples small subsets, fits a candidate model, and keeps the model that wins the largest consensus of agreeing points.Least Trimmed Squares is a robust linear regression method introduced by Peter J. Rousseeuw in 1984. Instead of fitting all residuals, it estimates the coefficients by minimising the sum of only the h smallest squared residuals, which gives it a breakdown point of up to 50% and reliable estimates on data heavily contaminated by outliers.Quantile regression models conditional quantiles of an outcome - the median, the 25th or 75th percentile, and so on - rather than the conditional mean that OLS targets. Introduced by Koenker and Bassett in 1978, it reveals how predictors act across the whole distribution, including its tails.Robust Covariance via the Minimum Covariance Determinant (MCD) estimates a multivariate mean vector and covariance matrix that are not distorted by outliers. It was made practical by the Fast-MCD algorithm of Rousseeuw and Van Driessen (1999), building on Rousseeuw's earlier work on robust estimation.
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ScholarGateBandingkan kaedah: RANSAC Regression · Least Trimmed Squares · Quantile Regression · Robust Covariance (MCD). Dicapai 2026-06-19 daripada https://scholargate.app/ms/compare