Results 11 to 20 of about 4,194,931 (278)

Two-stage adaptive cluster sampling [PDF]

open access: yesStatistical Methods & Applications, 2005
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Naddeo, Stefania, Pisani, Caterina
openaire   +3 more sources

Precision enhancement in variance estimation for complex environmental populations using adaptive cluster sampling [PDF]

open access: yesHeliyon
Estimating dispersion in populations that are extremely rare, hidden, geographically clustered, and hard to access is a well-known challenge. Conventional sampling approaches tend to overestimate the variance, even though it should be genuinely reduced ...
Muhammad Nouman Qureshi   +6 more
doaj   +2 more sources

Cluster Target Tracking Based on Multi-Sensor Adaptive GLMB Filter [PDF]

open access: yesSensors
In complex detection environments, unknown detection probability and clutter rate hinder accurate tracking of cluster targets. To address this issue, this paper proposes a novel multi-sensor adaptive generalized labeled multi-Bernoulli (MS-AGLMB) filter.
Zheng Zhang, Daozhi Wei, Xirui Xue
doaj   +2 more sources

Ratio Estimator in Adaptive Cluster Sampling without Replacement of Networks [PDF]

open access: yesJournal of Probability and Statistics, 2014
In this paper, we study the estimators of the population total in adaptive cluster sampling by using the information of the auxiliary variable. The numerical examples showed that the ratio estimator in adaptive cluster sampling without replacement of ...
Nipaporn Chutiman, Monchaya Chiangpradit
doaj   +2 more sources

Generalized robust regression techniques and adaptive cluster sampling for efficient estimation of population mean in case of rare and clustered populations [PDF]

open access: yesScientific Reports
Situations when field researchers are tempted to deviate from preselected sampling plan and to include nearby or related units in sample, then adaptive cluster sampling (ACS) offers a nearly completion solution.
Mir Subzar   +6 more
doaj   +2 more sources

Simulation of Adaptive Sampling in Profile Measurement for Structured Surfaces [PDF]

open access: yes, 2010
Adaptive sampling is a novel sampling design that can redirect sampling effort during a survey in response to the observed values. Its application on surface texture measurement is new, such as working with stylus profilometers.
Wang, Jian, Blunt, Liam, Jiang, Xiang
core   +4 more sources

Adaptive visual sampling [PDF]

open access: yes, 2010
PhDVarious visual tasks may be analysed in the context of sampling from the visual field. In visual psychophysics, human visual sampling strategies have often been shown at a high-level to be driven by various information and resource related factors ...
Raja, Yogesh
core   +4 more sources

Comparação entre procedimentos de amostragem para espécies florestais raras e padrão de distribuição espacial agregado Comparison between sampling procedures for rare forest species and aggregated spatial distribution pattern

open access: yesRevista Árvore, 2009
O objetivo deste trabalho foi comparar procedimentos de amostragem para espécies florestais com populações raras e padrão de distribuição espacial agregado.
Carlos Pedro Boechat Soares   +5 more
doaj   +1 more source

Improved ratio-type generalized class of estimators in two-phase adaptive cluster sampling [PDF]

open access: yesBig Data and Computing Visions
In this paper, an improved ratio-type class of estimators in the two-phase Adaptive Cluster Sampling (ACS) design under the transformed population approach has been proposed.
Rohan Mishra, Rajesh Singh
doaj   +1 more source

A survey of potential sampling strategies for measurement of structured surfaces. [PDF]

open access: yes, 2009
Uniform sampling is the predominant sampling method for surface measuring instruments. However, measurement for structured surfaces brings an increasingly serious conflict between sampling range and small resolution.
Wang, J, Blunt, Liam, Jiang, Xiang
core   +4 more sources

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