Backfill existing administrative WOF records with HASC code field

[stepps00]

Add a new field to existing records in Who's on First that includes HASC codes.

Example of HASC codes for US counties:
http://www.statoids.com/yus.html

Other sources:
http://www.statoids.com/ihasc.html
https://en.wikipedia.org/wiki/Hierarchical_administrative_subdivision_codes

[thisisaaronland]

What is the relationship with issue #221

[stepps00]

Looking at the wof-unlocode-subdivisions-todo.csv.txt file in issue #221, it seems the UN-LOCODE for say, Virginia, would be US-VA. The HASC code for Virginia is US.VA. According to the statoids site, each country has a unique two-letter code, which is the same as its ISO 3166-1 code. Then, each primary subdivision and each secondary subdivision of a country has a code that is unique within its primary division.

So, San Francisco County, for example, would have a HASC code of US.CA.SF. From my understanding the UN-LOCODE does not include secondary administrative subdivisions.

[thisisaaronland]

what is the purpose / function of the HASC code?

[stepps00]

Concordance with statoids; mesoshapes (new county and locality polygon import files) will have the HASC code included as an attribute field.

[thisisaaronland]

if we can infer the UN/LOCODE from them then so much the better. The UN/LOCODE stuff is necessary for a standardized naming convention for repos.

[nvkelso]

They each go in fits and starts, sometimes Statoids leads, sometimes
UN/LOCODE, but the HASC will usually have more details available, and we
have been given permission to use the HASC codes in Who’s On First for
concordances & etc. (Both should lead ISO codes.)

On Fri, Jul 29, 2016 at 12:00 PM, Aaron Straup Cope <
notifications@github.com> wrote:

if we can infer the UN/LOCODE from them then so much the better. The
UN/LOCODE stuff is necessary for a standardized naming convention for repos.

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[thisisaaronland]

Permissions?

The UN/LOCODEs are complete down to the region - the issue is mostly just geocoding / name matching.

[stepps00]

Related to: #581

[nvkelso]

Forward dup of #581.