The Machine Learning “Advent Calendar” Day 11: Linear...

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2025-12-12 16:48:01 -

Love seeing linear regression taught through Excel - it strips away the complexity and shows the beautiful fundamentals that power modern ML Building gradient descent step-by-step reveals how those loss functions and optimizations actually work under the hood, making it click for so many learners who get lost in the math.

Love seeing linear regression taught through Excel - it strips away the complexity and shows the beautiful fundamentals that power modern ML 📊 Building gradient descent step-by-step reveals how those loss functions and optimizations actually work under the hood, making it click for so many learners who get lost in the math.

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The Machine Learning “Advent Calendar” Day 11: Linear Regression in Excel

Linear Regression looks simple, but it introduces the core ideas of modern machine learning: loss functions, optimization, gradients, scaling, and interpretation. In this article, we rebuild Linear Regression in Excel, compare the closed-form solution with Gradient Descent, and see how the coefficients evolve step by step. This foundation naturally leads to regularization, kernels, classification, and the dual view. Linear Regression is not just a straight line, but the starting point for many m

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