I really enjoyed the slopegraph challenge from Storytelling with Data, that I decided to tackle the first challenge Cole of SWD issued--the annotated line graph. You can read about the annotated line graph challenge here.
I made up some data to visualize...this time it was sales data for a magical widget.
Then it was time to visualize. First was the line graph, since that was the basis of this challenge.
There are so many formatting and annotation opportunities here. When first looking at the visualization, a few things came to mind.
Annotation and Format Changes
The resulting visualization follows.