Want to connect paired data points in a scatter plot using Matplotlib? This step-by-step tutorial shows you how to draw lines between paired observations so you can easily visualize before–after comparisons, longitudinal changes, and repeated-measures data. We cover four practical methods — a simple plot() + scatter() combo, looping through groups, efficient LineCollection rendering, and… Continue reading Connect Paired Data Points in a Scatter Plot in Python (Step-by-Step Guide)