Line Chart
Line charts are great to show the evolution of 1 or several values over time. They are useful for spotting trends and can be used to infer the correlation between 2 or more categories.
Usage guidelines
When to use
Questions you can answer
- How has this category value changed over time?
- What is the trend for this category?
When not to use
- Line charts are most useful to display trends. Depending on what you want to highlight, other charts that can help show variance over time are the area chart and the box plot chart.
- If you have a large number of categories, consider a sparklines chart.