Data Visualization

Matplotlib basics, pandas plotting, seaborn for prettier defaults, and how to drop charts into Excel.

Toolkit 6 lessons ~55 min

Lessons in this module

1. Matplotlib basics · 8 min
   fig, ax, plot, title, save. The foundation everything else builds on.
2. Plotting directly from a DataFrame · 7 min
   df.plot() — the fastest way from data to picture.
3. Seaborn — prettier defaults, less code · 8 min
   When you want a chart that looks publication-ready out of the box.
4. Formatting for stakeholders · 7 min
   Removing chart-junk, labelling totals, and saving at the right DPI.
5. Inserting charts into Excel · 7 min
   Three ways: paste, =PY(), and the openpyxl image insert.
6. Tiny dashboards with subplots · 8 min
   Multiple charts on one figure — your first 'dashboard'.