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Estimates of fecundability from a truncated distribution of conception times.
- Source :
- Demography (Springer Nature); May1975, Vol. 12 Issue 2, p291-301, 11p
- Publication Year :
- 1975
-
Abstract
- A population consisting of women who have conceived before a time t ignores all women whose conception time exceeds t. Such a population is considered as a truncated population, and the samples are called truncated samples. Under the assumption that fecundability among women varies according to a Beta distribution (with parameters a and b), the distribution of conception times in a truncated population can be considered as truncated Type I geometric. This paper presents an algorithm to obtain the moment and maximum likelihood estimates of a and b from the truncated samples. Large sample properties of the estimators are also studied. Examples using the Hutterite and the Princeton Fertility Survey data are given. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00703370
- Volume :
- 12
- Issue :
- 2
- Database :
- Complementary Index
- Journal :
- Demography (Springer Nature)
- Publication Type :
- Academic Journal
- Accession number :
- 16799085
- Full Text :
- https://doi.org/10.2307/2060766