How to Make a Heatmap in Python with Matplotlib (Step-by-Step Guide) Heatmaps are a powerful way to visualize matrices and time-based data. They let you quickly spot trends, patterns, and seasonality in numbers. While libraries like Seaborn provide a high-level heatmap() function, Matplotlib’s imshow() gives you low-level control and flexibility to customize every part of… Continue reading How to Make Heatmap with Matplotlib in Python