Description: L1 regularization logistic regression is an approach in machine learning that combines logistic regression, a technique used to model the probability of a binary dependent variable occurring, with L1 regularization, also known as Lasso. This technique aims to minimize the loss function of logistic regression while applying a penalty to the sum of the absolute values of the model coefficients. The main goal of L1 regularization is to promote sparsity in the model, meaning that some coefficients are reduced to zero, thereby eliminating irrelevant features and improving model interpretability. This property is particularly useful in situations where a large number of features are available, as it helps prevent overfitting and simplifies the model. L1 regularization logistic regression is widely used in classification problems, where the goal is to identify the class to which an observation belongs based on its features. Its ability to perform automatic feature selection makes it a valuable tool in data analysis and the construction of effective predictive models.