نتایج جستجو برای: relative efficiency
تعداد نتایج: 759524 فیلتر نتایج به سال:
Concerns about the efficiency and the reliability of point sampling to estimate change in forest growth variables have been expressed ever since point sampling appeared in the literature more than 60 years ago. Change estimators for point samples based on point-to-tree distance in variable-radius plots were introduced about 30 years ago but are rarely implemented despite easy access to point-to...
Most of the data on the relat ive efficiency of dif ferent implementations of the alpha-beta a l gorithm is neither readily available nor in a form suitable for easy comparisons. In the present study four enhancements to the alpha-beta algorithm—iterative deepening, aspiration search, memory tables and principal variation search—are compared separately and in various combinations to determine t...
The shortcoming of a test is the difference between the maximal attainable power and the power of the test under consideration. Vanishing shortcoming, when the number of observations tends to infinity, is therefore an optimality property of a test. Other familiar optimality criteria are based on the asymptotic relative efficiency of the test. The relations between these optimality criteria are ...
In this paper, the relative multidimensional scaling method is investigated. This method is designated to visualize large multidimensional data. The method encompasses application of multidimensional scaling (MDS) to the so-called basic vector set and further mapping of the remaining vectors from the analyzed data set. In the original algorithm of relative MDS, the visualization process is divi...
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