Search PubMed⌕ Search

SEARCH · Search PubMed

Results for “Estimation Technics”

Search indexed PubMed citations on genomics, clinical trials, systematic reviews and public health. Explore titles, authors and supplied subject terms, then open the PubMed record.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 235 records · Page 13Linked to original sources
PubMed1997

Small-area population estimates: a review of methods used in Britain in the 1990s.

"Population estimates are usually produced by local government administrations in Britain, for each small area within their authority. Increasing interest has been shown by commerce and by central government. Five main methods are identified: apportionment, ratio change, additive change, cohort survival, and local censuses. Estimation strategies also vary according to available data, the detail in which a population is estimated, and the precise combination of elements chosen from one or more of the main methods. The use of methods at the beginning of the 1990s is surveyed in this paper, and examples given. The accuracy of each main method is quantified from empirical data collated by the Estimating with Confidence project. Likely developments towards the end of the 1990s are reviewed."

Developed Countries↗
PubMed1992

Fundamental issues in nonlinear urban population dynamic models: theory and a synthesis.

"The main purpose of this paper is to examine certain basic similarities between three nonlinear models of urban dynamics which appeared in [1980], and seem to be driven by somewhat different mechanisms.... By looking at their implicit assumptions we set the stage for addressing certain fundamental premises underlying the process of urban growth or decline. Searching for these fundamental assumptions permits the construction of a comprehensive-unifying theory of urban population dynamics placing urban evolution squarely within the domain of evolutionary theory."

Demography↗
PubMed1991

Afghanistan: demographic consequences of war, 1978-1987.

"In this paper, I attempt to analyse the effects of war on the size and age-sex structure of the Afghan population, and to estimate the size of the Afghan population in Afghanistan by age and sex for the years 1978-1987. In doing so, I try to estimate the number of persons killed during the war and examine the validity of the available estimates." The analysis is based on data from the 1979 census, a 1987 survey, and other sources.

Afghanistan↗
PubMed1982

Postcensal estimates for local areas using current samples with census as the source of sampling frame.

"Two techniques for direct postcensal local area estimation are introduced in this paper. Compared with existing techniques for postcensal local area estimation, the proposed techniques are not subject to any bias due to the assumption of constancy of certain statistical relationships between the variable of interest and the symptomatic or associated variables established at a certain point in time (typically a census)." The author notes that "application of the proposed techniques calls for recognition of an integrated design approach at the early planning stage, incorporating considerations of survey designs for the census and the postcensal sample surveys, maintenance and upkeep of the census sampling frame, data analysis and local area estimation requirements simultaneously. When the current samples are continuous and overlap each other, a third technique for postcensal local area estimation is also proposed. An example illustrating these techniques in estimating postcensal district population in Hong Kong is given." (summary in FRE)

Asia↗