Missing value imputation in longitudinal
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Ulrike Grittner; Gerhard Gmel; Samuli Ripatti; Kim Bloomfield; Matthias Wicki
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Article
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2011
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John Wiley and Sons
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English
โ 172 KB
## Abstract Attrition in longitudinal studies can lead to biased results. The study is motivated by the unexpected observation that alcohol consumption decreased despite increased availability, which may be due to sample attrition of heavy drinkers. Several imputation methods have been proposed, bu