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| Robusni OLS (OLS sa robusnim standardnim greškama)× | Regresija običnih najmanjih kvadrata (OLS)× | |
|---|---|---|
| Oblast | Ekonometrija | Ekonometrija |
| Porodica | Regression model | Regression model |
| Godina nastanka≠ | 1980 | 2019 |
| Tvorac≠ | Halbert White | Wooldridge (textbook treatment); classical least squares |
| Tip≠ | Linear regression with robust inference | Linear regression |
| Temeljni izvor≠ | White, H. (1980). A heteroskedasticity-consistent covariance matrix estimator and a direct test for heteroskedasticity. Econometrica, 48(4), 817–838. DOI ↗ | Wooldridge, J. M. (2019). Introductory Econometrics: A Modern Approach (7th ed.). Cengage Learning. ISBN: 978-1337558860 |
| Drugi nazivi | HC robust regression, White robust OLS, sandwich estimator OLS, OLS with robust standard errors | ordinary least squares, classical linear regression, linear regression, en küçük kareler regresyonu |
| Srodne≠ | 6 | 5 |
| Sažetak≠ | Robust OLS applies ordinary least squares to estimate coefficients and then replaces the classical standard errors with heteroscedasticity-consistent (HC) standard errors — commonly called White standard errors. This leaves the point estimates unchanged while yielding valid t-statistics and confidence intervals even when the error variance is not constant across observations. | Ordinary Least Squares is the classical linear regression method that explains a continuous outcome as a linear combination of predictors. It estimates the coefficients by minimising the sum of squared residuals, and under the Gauss-Markov assumptions these estimates are the best linear unbiased estimator (BLUE). |
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