Plotting Time Series Data

Time series data shows how values change over time. Proper visualization helps identify trends, cycles, and anomalies.

Basic Time Series Plot

Working with Dates

Multiple Time Series

Highlighting Regions

Area Charts for Time Series

Practice: Temperature Time Series

Key Takeaways

• Time series plots show how values change over time
• Use plt.xticks(rotation=45) for readable date labels
• Multiple series can be plotted with different colors and markers
• axvspan() highlights time periods, axvline() marks events
• Area charts (fill_between) show cumulative values
• Stacked area charts show composition over time

In the next lesson, we'll learn about date formatting and axis locators.