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We conducted a cross-sectional, analytical study among a random cluster sample of 190 PCPs working in Muscat, Oman,' said the authors of the study.

'PRIMARY CARE PHYSICIANS IN OMAN SUFFERING BURNOUT'

The type of sample employed by the nine states using a sample to collect coverage data varied and included a stratified two-stage cluster sample (eight states) and a stratified one-stage cluster sample (one state).

Vaccination Coverage for Selected Vaccines and Exemption Rates Among Children in Kindergarten--United States, 2017-18 School Year

cluster sample, and class sample; methods of selection; and problems

NCSI Organizes Training Workshop in Design of Survey Samples

Update membership matrix [U.sup.(b)], and the matrix indicates the membership values of each cluster sample data belonging to the corresponding cluster prototype:

Ultra-Short-Term Prediction of Wind Power Based on Fuzzy Clustering and RBF Neural Network

A two-stage cluster sample design was used to collect data to represent all students in grades 6-10 in each country.15 At the first stage of sampling, schools were selected with probability proportional to their reported enrolment size.15 In the second stage, classes in the selected schools were randomly selected and all students in selected classes were eligible to participate irrespective of their actual ages.15 Students self-completed the questionnaire under the supervision of trained research assistants.15

Prevalence and determinants of tobacco use among school going adolescents in Cambodia and Vietnam: a cross-sectional study

Algorithm thought is that calculate each sample data sets the sample distribution density around; Choose the former sample distribution around the K concentration of sample points as the initial clustering center clustering; Calculation of various kinds of clusters in each sample to the other cluster sample distance, the sum of minimum value choice of the sample as the new clustering center to clustering, until the sum of all the samples to where the cluster center distance remains the same.

Research on the computer data processing modes under the big data era

leprae and the efficacy of targeting contacts with preventive interventions such as chemoprophylaxis, (11) we estimated the background prevalence of leprosy in an endemic community in Bangladesh through a multistage random cluster sample of the general population.

Leprosy incidence: six years follow-up of a population cohort in Bangladesh

Designing an efficient adaptive cluster sample. Environmental and Ecological Statistics, v.10, p.95-105, 2003.

Sampling methods to quantify the Pequi Caryocar brasiliense Cambess adults/Metodos de amostragem para quantificar individuos adultos do pequi Caryocar brasiliense Cambess

An important component of planning experiments with clustering (whether they be multi-site or cluster randomized designs) is to determine the optimal within and between cluster sample sizes subject to a cost constraint.

Optimal Design for Regression Discontinuity Studies with Clustering