Sentences with phrase «systematic sampling»
Systematic sampling is a method of selecting items or individuals from a population in a specific and organized way. It involves choosing every nth item or individual from a list in a consistent pattern. This helps ensure that the selected sample is representative of the population as a whole. Full definition
What is unclear is whether that abundance reflects the frequency with which co-option occurs in nature or whether it is the result of ascertainment bias (systematic sampling errors introduced by how biologists study evo - devo).
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Index will initially be used exclusively by FMCSA for analysis and research purposes, such as selecting representative systematic samples of CDL drivers for authorized studies.
An additional systematic sampling bias in the clear - sky fluxes appears because the clear - sky regions selected by the different algorithms occur in different geographic regions with different cloud properties.
How do we know the temperature change in the water column on any given month in any particular body of water unless systematic sampling is being done which really only occured in the last 5 years with submersible probes?
Incorporating systematic sampling methods and implicit stratification in the Add Health study design ensured this sample was representative of US schools with respect to region of country, urbanicity, school type, ethnicity, and school size (Bearman, Jones, & Udry, 1997).
In the third phase a diagnostic and relocation center was established, located near Skid Row, staffed by professionals and a research team as well as former Skid Row residents, and offering to a systematic sample of the men diagnostic, recreational, therapeutic, vocational - counseling and housing - relocation services, including training in social as well as occupational skills.
Systematic sampling and mandatory reporting of disease in swine herds are limited to a handful of commercially devastating illnesses, including classical swine fever and nipah virus.
Nix and Rais - Bahrami say this new technology offers a «targeted biopsy,» which refers to direct tissue sampling of suspicious areas seen on MRI as opposed to the traditional method of random, systematic sampling that is essentially performed «blindly» in different «ZIP code» regions of the prostate.
And by doing a systematic sample we were able to adjust the estimates to something more realistic.»
Our engineers scrutinize both image and sound quality from original digital content to domestic and international DCPs, from 35 mm check prints to a systematic sample of release print reels.
A common sampling approach is systematic sampling, in which sample units of a constant size are distributed in some regular manner, such as a grid.
The southern sample was derived from a cohort of children at risk for adverse health or developmental outcomes, plus a systematic sampling of controls, recruited from area hospitals.