Sample Page: Dr Mann
This is where you will provide the context that lets users know what they are looking at/why/what to see. Remember to never leave a visualization alone by itself: explain what it addresses, how and the so what. On the other hand, no need to repeat information that's clear in the legend/figure: as per our Data Viz Cheatsheet, integrate the text and graph.
You could also split your context to set up that lets users know what they are looking at/why and then has the visualization
Then offer analysis afterwards. Remember to never leave a visualization alone by itself: explain what it addresses, how and the so what. On the other hand, no need to repeat information that's clear in the legend/figure: as per our Data Viz Cheatsheet, integrate the text and graph.