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DAPPS is a program designed to help users analyze and produce population projections with ease. It accomplishes this through a user-friendly spreadsheet interface for data entry and the projection power of RUP.
In order to create a population projection, DAPPS requires at least three inputs: a base population, by age and sex (usually based on a census or estimate); a mortality structure, by age and sex (usually a life table or deaths, by age and sex); and a fertility pattern, by age of mother (births or age-specific fertility rates). A fourth input, a pattern of net migration (by age and sex of migrant), is optional but recommended.
The data for these components can originate from either a RUP input file or a spreadsheet-based program, such as Microsoft Excel or United Nations MORTPAK.
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