Arizona's Department of Health Services (ADHS) defines a geographic system they call Community Statistical Areas (CSA).
An interesting property is that this system defines its geo nodes as agglomerations of Census Tracts, and every Arizona Census Tract is in exactly one CSA. In other words, if we know the mapping from Census Tract to CSA, we can construct a new scope by starting from the already-supported TractScope. Then it's possible to extend support to other systems; for example, ADRIOs that provide data at the Census Tract granularity which can be simply summed can then be adapted for CSAs.
It's likely that there are other geographic systems out there that are similar in nature. It would be nice to be able to support them generically.
So the goals of this task are:
- to support CSAs, and,
- to include general utilities for defining scopes which are agglomerations of other scopes (if practicable; at least from US Census geo.)
Arizona's Department of Health Services (ADHS) defines a geographic system they call Community Statistical Areas (CSA).
An interesting property is that this system defines its geo nodes as agglomerations of Census Tracts, and every Arizona Census Tract is in exactly one CSA. In other words, if we know the mapping from Census Tract to CSA, we can construct a new scope by starting from the already-supported TractScope. Then it's possible to extend support to other systems; for example, ADRIOs that provide data at the Census Tract granularity which can be simply summed can then be adapted for CSAs.
It's likely that there are other geographic systems out there that are similar in nature. It would be nice to be able to support them generically.
So the goals of this task are: