While the housing-unit method continues to be the preferred method nationwide for producing small-area population estimates, this procedures lacks a method for making age/sex-specific estimates. This paper reports evaluation research on implementation of component-based methods for estimating...

Fundamentals of Population Analysis -- Overview of the Cohort-Component Method -- Mortality -- Fertility -- Migration -- Implementing the Cohort-Component Method -- Trend Extrapolation Methods -- Structural Models I -- Structural Models II -- Special Adjustments -- Evaluating Projections --...

Although missing data are found in all types of data sets, surveys are particularly prone to produce data sets in which values of some respondent variables are missing (see, e.g., Cochran, 1977; Ericson, 1967; Kalton, 1983; and Hutcheson and Prather, 1977). Survey data collected for end-use energy demand...

Ecologists often assume that dispersing individuals experience increased predation risk owing to increased exposure to predators while moving. To test the hypothesis that predation risk is a function of movement distance or rate of movement, we used radio-telemetry data collected from 193 ruffed...