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Subgradient Descent Explained, Step by Step cover image

Subgradient Descent Explained, Step by Step

Gradient descent is one of the most popular algorithms to train machine learning models. However, many of the popular machine learning models like lasso regression or support vector machines contain loss functions that are not differentiable. Because of this, regular gradient descent can not be used. One of the most commonly utilized techniques to circumvent this issue is to use subgradients instead of regular gradients. And in this article, you will learn how it's done.

  • Lari Giba
When, Why, And How You Should Standardize Your Data cover image

When, Why, And How You Should Standardize Your Data

Standardization is one of the most useful transformations you can apply to your dataset. What is even more important is that many models, especially regularized ones, require the data to be standardized in order to function properly. In this article, you will learn everything you need to know about standardization. You will learn why it works, when you should use it, and how you can do so with just a few lines of code.

Elastic Net Regression Explained, Step by Step cover image

Elastic Net Regression Explained, Step by Step

Elastic net is a combination of the two most popular regularized variants of linear regression: ridge and lasso. Ridge utilizes an L2 penalty and lasso uses an L1 penalty. With elastic net, you don't have to choose between these two models, because elastic net uses both the L2 and the L1 penalty! In practice, you will almost always want to use elastic net over ridge or lasso, and in this article you will learn everything you need to know to do so, successfully!