PinnedRegan MuthomiThe Ultimate SQL CheatsheetA few months ago, I hosted SQL learning sessions with a tech community in Nairobi, Kenya. In this article, I will share everything we…Oct 16, 2023Oct 16, 2023
PinnedRegan MuthomiBuilding A KNN Algorithm from Scratch with Pandas and Numpy.Image credits: Kelly Sikkema on UnsplashMay 30, 2023May 30, 2023
PinnedRegan MuthomiA Guide to Machine Learning WorkflowMachine learning is a branch of artificial intelligence and computer science which focuses on the use of data and algorithms to imitate the…Mar 14, 2023Mar 14, 2023
PinnedRegan MuthomiA Deep Dive into Types of Categorical Encoding in Machine LearningReal-world data comes in all shapes, forms, and types. However, most machine learning algorithms only accept numerical inputs. To build…Mar 28, 2023Mar 28, 2023
PinnedRegan MuthomiEvaluation Metrics for Classification.Evaluating Machine Learning models is a fundamental part of building reliable machine learning models.Nov 29, 2022Nov 29, 2022
Regan MuthomiBeyond the Fundamentals: Demystifying SQL Window Functions for Data Wizards.SQL window functions are crucial in facilitating practical data analysis within SQL. Despite being powerful, SQL window functions are often…Dec 6, 2023Dec 6, 2023