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| Робусна квантилна регресија× | Robustna regresija× | |
|---|---|---|
| Oblast | Statistika | Statistika |
| Porodica | Regression model | Regression model |
| Godina nastanka≠ | 1993–1997 | 1964 |
| Tvorac≠ | Koenker & Bassett (1978); robust extensions by Machado (1993) and He (1997) | Peter J. Huber (M-estimation, 1964); Frank Hampel (influence function, 1974) |
| Tip≠ | Robust semiparametric regression | Regression with outlier resistance |
| Temeljni izvor≠ | Koenker, R. (2005). Quantile Regression. Cambridge University Press. ISBN: 978-0521608275 | Huber, P. J. (1964). Robust estimation of a location parameter. The Annals of Mathematical Statistics, 35(1), 73–101. DOI ↗ |
| Drugi nazivi | robust QR, outlier-resistant quantile regression, bounded-influence quantile regression, RQR | M-estimation regression, robust linear regression, outlier-resistant regression, MM-estimation |
| Srodne | 6 | 6 |
| Sažetak≠ | Robust Quantile Regression estimates conditional quantiles of a response variable while simultaneously downweighting the influence of outliers. By combining the asymmetric loss function of standard quantile regression with bounded-influence or M-estimation weights, it provides reliable quantile estimates even when data contain extreme observations or heavy-tailed error distributions. | Robust regression estimates the linear relationship between a continuous outcome and predictors while sharply reducing the influence of outliers and leverage points. Unlike OLS, which is highly sensitive to extreme observations, robust methods assign down-weighted influence to atypical data points, producing coefficient estimates that remain stable even when a fraction of the data is contaminated or non-normally distributed. |
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