Character code / naming conventions?
jGaboardi opened this issue · comments
Originally in the Crosswalk Specs
Geographic abbreviations
decided / not yet used
| Level | Option A: 3 char [initialscheme] | Option B: 2 char | Option C: mix |
|---|---|---|---|
| Block | blk [in use] | bk | blk |
| Block group | bkg | bg | bg |
| Block group part | bgp | bp | bgp |
| Census tract | trt | tr , ct ? | tr , ct |
| County | cty | co | co |
| Place | plc ? | pl | pl |
| County subdivision | csd ? | cs | cs , csub , cosub ? |
| CBSA | cbs , msa ? | cb , ma ? | cb , cbsa , msa ? |
Examples:
| Option A: 3 char | Option B: 2 char | Option C: mix |
|---|---|---|
| nhgis_blk1990_blk2010_gj nhgis_blk1990_blk2010_gj_27 nhgis_bgp1990_bkg2010 nhgis_bgp1990_trt2010 nhgis_bgp1990_cty2010 |
nhgis_bk1990_bk2010_gj nhgis_bk1990_bk2010_gj_27 nhgis_bp1990_bg2010 nhgis_bp1990_tr2010 nhgis_bp1990_ct2010 nhgis_bp1990_co2010 | nhgis_blk1990_blk2010_gj nhgis_blk1990_blk2010_gj_27 nhgis_bgp1990_bg2010 nhgis_bgp1990_tr2010 nhgis_bgp1990_ct2010 nhgis_bgp1990_co2010 |
State FIPS vs. postal codes
Examples:
| Option A: FIPS [initial scheme] | Option B: upper case postal |
|---|---|
| nhgis_blk1990_blk2010_gj_01 nhgis_blk1990_blk2010_gj_02 nhgis_blk1990_blk2010_gj_27 nhgis_blk1990_blk2010_gj_56 |
nhgis_blk1990_blk2010_gj_AL nhgis_blk1990_blk2010_gj_AK nhgis_blk1990_blk2010_gj_MN nhgis_blk1990_blk2010_gj_WY |
decision
{"block": "blk", "block group part": "bgp", "block group": "bg", "tract": "tr", "county": "co"}