In some ways, data and its quality can seem strange to people used to assessing the quality of software. There’s often no observable behaviour to check and little in the way of structure to help you ...

Learn how to create contour plots in Python using NumPy’s meshgrid and Matplotlib. This step-by-step tutorial shows you how to generate grids, compute functions over them, and visualize data ...

February 11, 2026 • The shortest month of the year is packed with highly anticipated new releases, including books from Michael Pollan, Tayari Jones and the late Nobel laureate Mario Vargas Llosa.