Results 1 to 10 of about 4,718,106 (270)

Sampling methods

open access: yesPsychiatry and Behavioral Sciences, 2013
Most of the studies related to health are conducted with samples. Selection of sampling may be performed with random or nonrandom sampling methods. Sampling methods may vary with respect to some characteristics of study population, researchers’ ...
Selim Kılıc
doaj   +5 more sources

Status and trend analysis in landscape pattern through field-based sampling data [PDF]

open access: yesCaspian Journal of Environmental Sciences, 2021
Traditionally, calculation of landscape metrics is commonly conducted on land cover/use maps of entire landscape which is created from remotely sensed data.
Habib Ramezani, Farhad Ramezani
doaj   +1 more source

Sequential and Binomial Sampling Plans to Estimate Thrips tabaci Population Density on Onion

open access: yesInsects, 2021
Thrips tabaci Lindeman is a worldwide onion pest that causes economic losses of 10–60%, depending on many factors. Population sampling is essential for applying control tactics and preventing damage by the insect.
Lauro Soto-Rojas   +4 more
doaj   +1 more source

Efficient tracking of spatially correlated signals in wireless sensor fields: A weighted stochastic gradient approach

open access: yesIET Wireless Sensor Systems, 2021
A weighted stochastic gradient algorithm is proposed for cost‐efficient tracking of unknown, correlated spatial signals from randomly distributed sensor observations in localized wireless sensor field.
Hadi Alasti
doaj   +1 more source

Research Methods: Sampling.

open access: yesEvidence Based Library and Information Practice, 2016
No abstract.
Virginia Wilson
doaj   +3 more sources

Comparison of five conjunctival cytology sampling methods in normal cat eyes [PDF]

open access: yesVeterinary World, 2023
Background and Aim: Ophthalmological cytology is an easy, informative, rapid, and commonly-used low-cost diagnostic method, but sample collection and preparation are essential steps in obtaining qualitative material for cytological evaluation. This study
Liga Kovalcuka   +2 more
doaj   +1 more source

Nested sampling methods

open access: yesStatistics Surveys, 2023
Published in Statistics Surveys. The open-source UltraNest package and astrostatistics tutorials can be found at https://johannesbuchner.github.io/UltraNest/
openaire   +5 more sources

Density-Based Clustering to Deal with Highly Imbalanced Data in Multi-Class Problems

open access: yesMathematics, 2023
In machine learning and data mining applications, an imbalanced distribution of classes in the training dataset can drastically affect the performance of learning models.
Julio Cesar Munguía Mondragón   +4 more
doaj   +1 more source

Aedes Mosquito Surveillance Using Ovitraps, Sweep Nets, and Biogent Traps in the City of Yaoundé, Cameroon

open access: yesInsects, 2022
Arbovirus diseases represent a significant public health problem in Cameroon and vector surveillance is a key component of prevention strategies. However, there is still not enough evidence of the efficacy of different sampling methods used to monitor ...
Borel Djiappi-Tchamen   +10 more
doaj   +1 more source

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