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Citation Information : Statistics in Transition New Series. Volume 21, Issue 2, Pages 189-200, DOI: https://doi.org/10.21307/stattrans-2020-020
License : (CC BY-NC-ND 4.0)
Received Date : 26-September-2019 / Accepted: 25-March-2020 / Published Online: 01-June-2020
In this paper, a nonlinear model is proposed for improving the relationship between the size of a cluster and the variance within the cluster. This model describes the most appropriate functional relation between the within-cluster variance and the cluster size. Through this model, we can obtain the optimum size of a cluster and an estimate of the variance between clusters. The proposed model leads to further improvement in the estimation of the optimum size of a cluster, and the formula for the determination of optimum cluster size leads to explicit solution of models.
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