Engineering
8 years ago

New method ensures accurate weight ratios for precise observations.

Journal of The Pla Institute of Surveying and Mapping
The Essence of Test for Uniform Variance of Variance Component Estimation of Helmert Type
Chang Liu

Paper Summary

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The method of variance component estimation of Helmert type helps fix incorrect weight ratios in different types of observations. The essence of this method is that the test statistic is the highest point of a specific distribution. This means that the test for uniform variance is crucial for accurate estimation. Even if there are other errors in the model, the essence of the test remains unchanged.