Really this is a hack that would be better off if it were
in the base of crossfilter. As it is it will filter the data
up properly but for some reason does not filter the data down
properly.
What I mean is if you select something on the Inbound/Outbound
chart the Inbound/Outbound Sums charts do not update accordingly
but if you select data on any of the Inbound/Outbound Sums charts
the other charts update accordingly.