Results 21 to 30 of about 2,755,892 (287)

A Family of Ratio Estimators in Stratified Random Sampling Utilizing Auxiliary Attribute Along Side the Nonresponse Issue

open access: yesJournal of Statistical Theory and Applications (JSTA), 2019
This article proposes some estimators based on an adaptation of the estimators developed by Bahl and Tuteja [1], Diana [2], Koyuncu and Kadilar [3], Koyuncu and Kadilar [4], Shabbir and Gupta [5], and Koyuncu [6] utilizing available supplementry ...
Usman Shahzad   +3 more
doaj   +1 more source

Sampling plan and methodological aspects: a household healthcare survey in Piauí

open access: yesRevista de Saúde Pública, 2021
OBJECTIVE To describe the methodological aspects of the Piauí home healthcare survey (ISAD-PI) and assess the relation between sampling plan, precision, and design effects, assuming that population health surveys are relevant instruments for health ...
Lays Arnaud Rosal Lopes Rodrigues   +13 more
doaj   +2 more sources

Stratified Feature Sampling for Semi-Supervised Ensemble Clustering

open access: yesIEEE Access, 2019
Ensemble Clustering (EC), which seeks to generate a consensus clustering by integrating multiple base clusterings, has attracted increasing attentions.
Jialin Tian, Yazhou Ren, Xiang Cheng
doaj   +1 more source

stratified sampling

open access: yes
Citation: 'stratified sampling' in the IUPAC Compendium of Chemical Terminology, 5th ed.; International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.15064 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
Garrett Glasgow, Healey Whitsett
  +5 more sources

An Inverse-Occurrence Sampling Approach for Urban Flood Susceptibility Mapping

open access: yesRemote Sensing, 2023
Data-driven flood susceptibility modeling is an efficient way to map the spatial distribution of flood likelihood. The quality of the flood susceptibility model relies on the learning technique and the data used for learning.
Changpeng Wang   +5 more
doaj   +1 more source

SAMPLING METHODS AND NUMBER OF ROUNDWOODS FOR DETERMINING THE MOISTURE CONTENT

open access: yesRevista 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
doaj   +1 more source

A spectrum sensing method based on stratified sampling

open access: yes, 2011
This paper introduces a multiband spectrum sensing technique that deploys nonuniform stratified sampling to perform reliable sensing using sampling rates well below the ones demanded by uniform-sampling-based DSP.
Tarczynski, A., Ahmad, B.I.
core   +1 more source

Sampling of cashew nuts as an aid to research for the genetic improvement of cashew tree [PDF]

open access: yesPesquisa 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
doaj   +1 more source

Distributions in Stratified Sampling

open access: yesThe Annals of Mathematical Statistics, 1942
Not ...
openaire   +3 more sources

Prevalence and risk factors associated with psychological distress among children in Penang, Malaysia: A stratified multistage cluster study

open access: yesMethodsX
Mental 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

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