====================================================================== Estimation techniques: Ordinary least squares and maximum likelihood ====================================================================== .. post:: 2014-11-05 :category: research .. previewimage:: NR-surf.png A chapter on estimation techniques has appeared in the edited volume `Regression Analysis and Causal Inference `__, edited by Henning Best and Christof Wolf and published by Sage. A companion website is `here `__. .. figure:: NR-surf.png :figwidth: 350px :align: center An illustration of the Newton-Raphson algorithm used to maximize a log-likelihood function.