Record linkage results per province – May 2020

Record linkage results per province
Linkage May 2020 Release
Linkage RateTablenote 1 False Positive error RateTablenote 2 False Negative error RateTablenote 3
%
British Columbia Census (individuals) 90.50 < 1.0 < 0.5
Tax & Social Insurance Registry (individuals) 96.80 < 1.0 < 0.5
Business Register (non-individuals) 97.30 < 6.0 < 1.0
Ontario Census (individuals) 93.20 < 1.0 < 2.0
Tax & Social Insurance Registry (individuals) 98.20 < 0.5 < 1.5
Business Register (non-individuals) 97.40 < 2.0 < 1.5
New Brunswick Census (individuals) 84.90 < 3.0 < 1.0
Tax & Social Insurance Registry (individuals) 92.30 < 2.5 < 2.5
Business Register (non-individuals) 95.30 < 2.0 < 2.0
Nova Scotia Census (individuals) 87.80 < 0.5 < 3.0
Tax & Social Insurance Registry (individuals) 94.20 < 0.5 < 6.0
Business Register (non-individuals) 95.60 < 0.5 < 2.0
Tablenote 1

Linkage Rate: The linkage rate is calculated as the percentage of owner records with accepted links to the database shown. It is the denominator for the FPR. While it is not a data quality indicator alone, in addition to the FPR and FNR it provides a complete picture of the overall linkage quality.

Return to tablenote 1 referrer

Tablenote 2

FPR: The False Positive error Rate is calculated as the percentage of records with false links among records with accepted links (i.e., a record with a false link is a record that was linked incorrectly).

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Tablenote 3

FNR: The False Negative error Rate is calculated as the percentage of records with true links which were not found in the linkage process (i.e., records that were not linked when they should have been).

Return to tablenote 3 referrer
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