Results 21 to 30 of about 5,905,284 (252)
Assessing Multi-Temporal Global Urban Land-Cover Products Using Spatio-Temporal Stratified Sampling
ISPRS International Journal of Geo-Information, 2022 In recent years, the availability of multi-temporal global land-cover datasets has meant that they have become a key data source for evaluating land cover in many applications.
Yali Gong +3 more
doaj +1 more source
Acta Universitatis Sapientiae: Economics and Business, 2022 This article develops a baseline on how to analyse the statements of monetary policy from Lesotho’s Central Bank using a method of topic classification that utilizes a machine learning algorithm known as Latent Dirichlet Allocation.
Damane Moeti
doaj +1 more source
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
A simulation study for comparing testing statistics in response-adaptive randomization
BMC Medical Research Methodology, 2010 Background Response-adaptive randomizations are able to assign more patients in a comparative clinical trial to the tentatively better treatment. However, due to the adaptation in patient allocation, the samples to be compared are no longer independent ...
Lee J Jack, Gu Xuemin
doaj +1 more source
Multivariate Multi-Objective Allocation in Stratified Random Sampling: A Game Theoretic Approach. [PDF]
PLoS ONE, 2016 We consider the problem of multivariate multi-objective allocation where no or limited information is available within the stratum variance. Results show that a game theoretic approach (based on weighted goal programming) can be applied to sample size ...
Yousaf Shad Muhammad +2 more
doaj +1 more source
Schematic presentation of sampling technique and sample size proportional allocation.
, 2022 Schematic presentation of sampling technique and sample size proportional allocation.
Yohannes Ayalew Bekele (13199757) +2 more
core +1 more source
Sample Design and Allocation for Random Digit Dialling
, 2005 Sample design and sample allocation methods are developed for random digit dialling in household telephone surveys. The proposed method is based on a two-way stratification of telephone numbers.
İslam, Muhammed Qamarul +6 more
core +2 more sources
Journal of Applied Mathematics, 2014 In practical utilization of stratified random sampling scheme, the investigator meets a problem to select a sample that maximizes the precision of a finite population mean under cost constraint.
Atta Ullah +3 more
doaj +1 more source
Optimal Allocation of the Sample in the Poisson Item Count Technique
Acta Universitatis Lodziensis. Folia Oeconomica, 2018 Indirect methods of questioning are of utmost importance when dealing with sensitive questions. This paper refers to the new indirect method introduced by Tian et al.
Michał Bernardelli, Barbara Kowalczyk
doaj +1 more source
Aquaculture and Fisheries, 2020 Stratified random survey is commonly used to estimate abundance indices of fish populations in multispecies survey, providing reliable data for stock assessment and fisheries management. In some cases, however, the sample size is relatively small because
Guosheng Zhang +6 more
doaj +1 more source