Results 221 to 230 of about 11,442,456 (253)
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Asymptotically optimal weighing designs with string property
, 1985 Asymptotically D- and E-optimal spring balance weighing designs with string property are obtained. The techniques applied include use of Frechet derivatives.
R. Mukerjee, Rita Saha Ray
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D-optimal weighing designs with circular string property under SLS estimation
Communications in statistics. Simulation and computation, 2023Spring balance weighing designs with a circular string property are considered in the context of second-order least squares estimation which is known to be better than ordinary least squares estimation when the error distribution is not symmetric ...
Abrar Z. Al-Sudani +2 more
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Approximate E-optimal designs for the model of spring balance weighing with a constant bias
Journal of Statistical Planning and Inference, 2011zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Filová, Lenka +2 more
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Recent accomplishments in weighing designs
Communications in Statistics - Theory and Methods, 2019The paper presents the results of research concerning on the estimation of individual weights of objects in spring balance weighing design. We consider D-optimal weighing design under assumption that the errors are uncorrelated and they have different ...
M. Graczyk, B. Ceranka
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Design and Implementation of a Portable Electronic Scale
2018 IEEE International Conference of Safety Produce Informatization (IICSPI), 2018With the development of economy and society, the current spring balance or steelyard can’t be meet the needs of modern life. Design and implementation of a high precision intelligent portable electronic scale is very necessary with micro processing ...
Hua-Lin Zhan +2 more
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Optimum Biased Spring Balance Weighing Designs Under Equal Correlations of Errors
Biometrical Journal, 1990AbstractThe paper deals with the problem of estimating the individual weights of objects under a biased spring balance weighing design with equal correlations of errors in the model. A lower bound for the variance of each of the estimated weights resulting from this biased spring balance weighing design is obtained and a necessary and sufficient ...
B. Ceranka, K. Katulska
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Robustness optimal spring balance weighing designs for estimation total weight
Kybernetika, 2011Summary: In this paper we develop the theory of spring balance weighing designs with non-positive correlated errors for that the lower bound of the variance of estimated total weight is attained.
Bronislaw Ceranka, Malgorzata Graczyk
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A-optimal biased spring balance weighing design
Kybernetika, 2011Summary: In this paper we study the problem of estimation of individual measurements of objects in a biased spring balance weighing design under assumption that the errors are uncorrelated and they have different variances. The lower bound for the variance of each of the estimated measurements for this design and the necessary and sufficient conditions
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Australian Journal of Statistics, 1989
SummaryThe problem of the estimation of the linear combination of weights, c′w, in a singular spring balance weighing design when the error structure takes the form E(ee′) =s̀2G has been studied. A lower bound for the variance of the estimated linear combination of weights is obtained and a necessary and sufficient condition for this lower bound to be ...
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SummaryThe problem of the estimation of the linear combination of weights, c′w, in a singular spring balance weighing design when the error structure takes the form E(ee′) =s̀2G has been studied. A lower bound for the variance of the estimated linear combination of weights is obtained and a necessary and sufficient condition for this lower bound to be ...
openaire +1 more source