version 1.1, 2004/08/02 10:46:13
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version 1.2, 2004/08/02 11:10:18
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Line 44
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Line 44
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The starting point (origin of time) of the duration of survival of
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The starting point (origin of time) of the duration of survival of
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each individual is the date of entry in the study, i.e. its age at the
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each individual is the date of entry in the study, i.e. its age at the
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date of the first wave. The time of survival is measured until the
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date of the first wave. The time of survival is measured until the
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date of the death if the subject died before the last interview
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date of the death if the subject dies before the last interview
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or until the age at the last interview if the subject is still alive.
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or until the age at the last interview if the subject is still alive.
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The models classically used in analysis of the biographies consider
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The models classically used in analysis of the biographies consider
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only the duration of survival and suppose that all the individuals are
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only the duration of survival and suppose that all the individuals are
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