Legend is implemented in a reusable way
Remove transform from legend()
Remove uneeded params from selection.each function
More flexible selection specification
OK, legend works
Strip out a maybe confusing helper method
Reusable scatterplot
Barchart *almost* works
Barchart works with frame
Add margin param to barchart
Framing works
Reusable barchart
Reusable Scatterchart
Reusable legend
Refactor
Legend contents decoupled from legend function
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