Get first inter state heatmap done
Add a bit of extra sexiness to the graph
Remove unused code
Save a png of the graphic
Don't use log scale as it throws off chart

Also flip the order of some filtering to speed up performance a bit
Change variable names for clarity
First pass choropleth map for in vs out degree
Use built in state abb instead of custom vector
Get the styling right for the graph
Add some general sytling to the plot
Finish styling the first choropleth map
Add analysis of % inbound and % outbound.
Add some more plots to on state level data
General code cleanup for readability
Add state outlines to choropleth plot of in vs out
Add visuals for percent leaving state
Refactor help functions into utils file.

This makes the core code easier to read and makes the utils
easier to maintain.

Some of these util scripts could probably be pulled into an
external library
Tiny update to docs
Use png and dev.off instead of ggsave.

ggsave is a bit jankier and you have much less control.
Do a bit of manual memory optimization.

Also add a bit of logging so you can monitor progress of
script