Results 21 to 30 of about 645,422 (275)
SAMPLING METHODS AND NUMBER OF ROUNDWOODS FOR DETERMINING THE MOISTURE CONTENT
Revista Árvore, 2018 This study had the objective of comparing two methodologies of sampling, Simple Random Sampling (ACS) and Stratified Random Sampling (ACE) to determine the optimum number of roundwood samples to obtain the moisture content of the population.
Danilo Barros Donato +5 more
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Sampling of cashew nuts as an aid to research for the genetic improvement of cashew tree [PDF]
Pesquisa Agropecuária Brasileira, 2019 : The objective of this work was to estimate sample sizes of cashew (Anacardium occidentale) nuts as an aid to the genetic improvement of cashew tree. Nuts were separated by size: nuts < 17 mm were classified as size 1 (S1); 17 mm ≤ nuts < 19 mm, size 2 (
Adroaldo Guimarães Rossetti +2 more
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Efficient Stratified Sampling Graphing Method for Mass Data
Data Science Journal, 2019 Sequentially linking data during polyline graphing of mass data (millions of points or more) generally results in poor graphing efficiency. Numerous curves are buried behind each pixel and cannot be displayed due to resolution limits of the width of the ...
Jianjun Wang +5 more
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A Link Quality Estimation Method for Wireless Sensor Networks Based on Deep Forest
IEEE Access, 2021 In wireless sensor networks, sensor nodes, the miniature embedded devices, have limitation of energy, storage, computing, and etc. One of the tasks of the nodes is to use their limited resources to complete work efficiently.
Mu He, Jian Shu
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Stochastic comparisons of stratified sampling techniques for some Monte Carlo estimators
, 2011 We compare estimators of the (essential) supremum and the integral of a function $f$ defined on a measurable space when $f$ may be observed at a sample of points in its domain, possibly with error.
Goldstein, Larry +2 more
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Scalable Audience Reach Estimation in Real-time Online Advertising [PDF]
, 2013 Online advertising has been introduced as one of the most efficient methods of advertising throughout the recent years. Yet, advertisers are concerned about the efficiency of their online advertising campaigns and consequently, would like to restrict ...
Dasdan, Ali +3 more
core +1 more source
MethodsXMental health is a state of mind influences one thinking, feeling and acting from inside and outside that are vital for children's normal growth and development. Psychological distress may results in serious mental health problem if left untreated. Hence,
Xin Yee Foo +2 more
doaj +1 more source
Depth-stratified soil sampling for assessing nematode communities
Semina: Ciências Agrárias, 2016 This study assessed the importance of stratified soil sampling on the detection (and therefore the distribution) of nematode communities and the differentiation of ecosystems by collecting stratified soil samples at intervals of 10 cm and non-stratified ...
Giovani de Oliveira Arieira +3 more
doaj +1 more source
Sampling design for compliance monitoring of surface water quality: A case study in a Polder area [PDF]
, 2008 International agreements such as the EU Water Framework Directive (WFD) ask for efficient sampling methods for monitoring natural resources. In this paper a general methodology for designing efficient, statistically sound monitoring schemes is described.
Brus, D.J., Knotters, M.
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MathematicsWhen direct survey are about sensitive characteristics such as addiction to drugs, alcoholism, proneness to tax invasion and sexual violence, nonresponse bias and response bias become serious problems because people oftentimes do not wish to give true ...
Gi-Sung Lee +3 more
doaj +1 more source