Weighted least squares (WLS) is a variation of ordinary least squares and linear regression that takes into account the unequal variance of observations. It is a specialized form of generalized least squares when there is no correlation between the errors.
Stanford University
Winter 2023
This comprehensive course covers various machine learning principles from supervised, unsupervised to reinforcement learning. Topics also touch on neural networks, support vector machines, bias-variance tradeoffs, and many real-world applications. It requires a background in computer science, probability, multivariable calculus, and linear algebra.
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