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  • Title: On some bivariate distributions of number of births.
    Author: Bhattacharya BN, Nath DC.
    Journal: Sankhya Ser B; 1985 Dec; 47(3):372-84. PubMed ID: 12268172.
    Abstract:
    This paper presents probability models to describe the variation in number of live birth-conceptions to a group of females in two consecutive segments of the reproductive period. In derivation of the models, it is assumed that the parameters considered in the models remain constant in each segment but may differ between the segments. The models utilize the observed distribution of women according to the number of births given in two consecutive segments arranged in a bivariate table, providing more cells with significant number of observations for estimating the fertility parameters. A procedure to obtain the maximum likelihood estimates of some of the parameters is given. The models are applied to data for 977 Indian women surveyed in the 1978 Rural Developments and Population Growth Sample Survey.
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