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Then, similar ====Output: ptoassigneend_us_identify3==== Similar to Section 4.2, identify clean data that meets all the requirements: postcode_extracted with 5-4 or 5 digits, state not null or not spaces, and city_extracted in ptoasigneend_us_citylist2.
Patent Assignment Data Restructure (view source)
Revision as of 11:26, 2 May 2017
, 11:26, 2 May 2017→Identify Clean Data (Round Two)
Since the city list is not long, I briefly cleaned the list by hand, and stored it in ptoassigneend_us_citylist2.
* Actually, we can buy a full list of U.S. cities online: https://www.uscitieslist.org/. Just update the ptoassigneend_us_citylist and follow the following steps.
SQL Code:
SELECT 664524
* Outputtable: ptoassigneend_us_identify3
Table "public.ptoassigneend_us_identify3"
Remaining records are in table ptoassigneend_us_temp4.
====Output: ptoassigneend_us_identify4====
One problem for the REMAINING records is that the postcode is missing.
