Line Graphs are easy to understand and are a great way to communicate important time-based trends, clustering, and outliers.
They work especially well when comparing ten or fewer data sets (our Horizon Graph is a good solution for displaying time series data with t en or more data sets.
Figure 1. A line graph
Figure 2. A line graph with stepped interpolation
Figure 3. A line graph with last values shown on a right aligned Y-axis
Figure 4. A line graph with last value and name shown on a right aligned Y-axis