title: Weighted least square estimates of the parameters of a model of survivorship probabilities.
abstract: "A weighted regression has been fitted to estimate the parameters of a model involving functions of survivorship probability and age.  Earlier, the parameters were estimated by the method of ordinary least squares and the results were very encouraging.  However, a multiple regression equation passing through the origin has been found appropriate for the present model from statistical consideration.  Fortunately, this method, while methodologically more sophisticated, has a slight edge over the former as evidenced by the respective measures of reproducibility in the model and actual life tables selected for this study."
authors.forename: S
authors.initials: S
authors.lastname: Mitra
mesh_terms: D000367:Age Factors; D003710:Demography; D015993:Life Tables; D008136:Longevity; D008722:Methods; D008962:Models, Theoretical; D009026:Mortality; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D012106:Research; D013223:Statistics as Topic; D015996:Survival Rate
keywords: Age Factors; Demographic Analysis; Demographic Factors; Estimation Technics; Length Of Life; Life Table Method; Life Tables; Methodological Studies; Models, Theoretical; Mortality; Population; Population Characteristics; Population Dynamics; Research Methodology; Survivorship; World