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Propensity score (PS -matching analysis with 1:1 nearest neighbor matching was emPS -matching
In the case control studies, population-based controls were frequency-matched to cases except in the US Case Control Study (US) where individual 1 : 1 matching was employed.
Coarsened exact matching was employed on the British Household Panel Survey (2006 2008) to analyse the association between migration (by area type, measured using a classification of mortality patterns) and health.
Propensity score matching was employed to account for potential biases due to selection into employer supported course enrollment related to the observable characteristics of the respondent.
When caliper matching was used, the sampling variance of the estimated treatment effect was minimized in 46 of the 96 scenarios when 2 1 matching was employed; in 46 of the 96 scenarios when 3 1 matching was employed; in 3 of 96 scenarios when 4 1 matching was employed; and in 1 of the 96 scenarios when 5 1 matching was employed.
For network-level conserved k-mers, string pattern matching was employed.
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The Earth Mover's Distance (EMD), instead of exhaustive matching, is employed to retrieve relevant documents, which enables us to markedly shrink the searching domain.
Afterwards, iterative matching is employed by using a template of sinusoidal function to search for structural planes in the identified image blocks.
In addition, partial matching is employed to facilitate flexibility to broaden the horizon to find opportunities in identifying an appropriate model and/or dataset.
As an identification strategy, difference-in-differences with exact matching is employed to study whether a reduction in the corporate tax burden via China's 2004 value-added tax (VAT) reform influences firms' innovation activities given they face increasing financial constraints.
Hausdorff distance-based template matching is employed for motion recognition.
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