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link 12.11.2009 11:51 |
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Subject: помогите разобраться что из всего этого weighted Inverse total variance-weighted estimators:There are a number of weighting functions that limit the influence of unrealistically small uncertainty without requiring their explicit identification or elimination. While exact restricted maximum likelihood solutions are known, an older and less computationally complex method described by Mandel and Paule has been shown to provide results that coincide with the exact solution that uses the same inverse total variance weight function. Parameter s can be interpreted as estimating the amonglaboratory standard deviation of the consistent data. While s must be solved by iteration, convergence is typically rapid if Median is used as the initial estimate of the Inverse total variance-weighted Mean and the median absolute deviation from the median, expressed as a standard deviation is used as the initial estimate of s. Это оценка взвешенной обратно суммарной дисперсии или взвешенная оценка обратно суммарной дисперсии? |
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