How to Build a Logistic Regression Model: A Spam-filter Tutorial

Ever wondered how spam filters know which emails to banish to the junk folder? Or how credit card companies decide whether to approve your transaction and how they detect fraud?

Logistic regression, a powerful tool in the data science world, can help answer that question and many more! Often referred to as the "workhorse" of machine learning, it is known for its simplicity and effectiveness in tackling classification problems.

Legendary statistician Andrew Gelman said, "Logistic regression is the duct tape …

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