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Support #1388

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Merging geographical special license data

Added by James Risk over 4 years ago. Updated about 3 years ago.

Status:
Resolved
Priority:
High
Assignee:
-
Category:
-
Start date:
07/29/2020
% Done:

100%

Description

Hi,

I've merged two geographical special license datasets (SN7630 and SN7248) with the main dataset (SN6614) for each wave 1-9 using the variable hidp, but there appears to be more observations (hidps) in the special license datasets than the main dataset. Approximately 77% of observations across waves 1-9 are matched, 23% in special licence and not matched, and <1% in the main dataset and not matched.
I presume there's either an error in my code or a valid reason for this? Any help would be appreciated.

Many Thanks,
James

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