http://vavi6vaewwf7gtpsjxeufyanr7qxcfd4upcdgm2wg2xzanqzv3uahiyd.onion/index.php/Linear_regression
If we assume that error terms are independent of the regressors, < math > \varepsilon_i \perp \mathbf{x}_i < /math > , then the optimal estimator is the 2-step MLE, where the first step is used to non-parametrically estimate the distribution of the error term. [ 17 ] Other estimation techniques [ edit ] Comparison of the Theil–Sen estimator (black) and simple linear regression (blue) for a set of points with outliers.