Let’s say we want to create the two charts in Figure 1. The chart on the left is a bar chart that shows two different values for each bar. The chart on the right consists of two line charts that share the x axis with parts of the timeline highlighted using two different colors.

@article{paperbot1244,
  title = {Composable data visualizations},
  author = {TOMAS PETRICEK},
  journal = {Journal of Functional Programming},
  volume = {31},
  year = {2021},
  doi = {10.1017/s0956796821000046}
}