THE MANTONβWOODBURY MODEL FOR LONGITUDIN
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TORBEN MARTINUSSEN; NIELS KEIDING
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Article
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1997
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John Wiley and Sons
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English
β 499 KB
π 2 views
Often in longitudinal studies one is not able to obtain a complete set of measurements of the variable recorded over time for each person in the study. This could be caused by some of the persons dying (or leaving the study for some other reasons) while the study is going on. If there is any concern