Understanding parameter differences between analyses employing nested data subsets

Understanding parameter differences between analyses employing nested data subsets
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了解使用嵌套数据子集的分析之间的参数差异

DOI:
10.1093/mnras/staa2996
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发表时间:
2019
影响因子:
4.8
通讯作者:
A. Challinor
A. Challinor
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
S. Gratton;A. Challinor

文献摘要

被引文献

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我们提供了一个分析论证,用于理解来自数据集分析和来自该数据集子集的参数转移的可能性质,假设差异仅取决于噪声和任何固有方差。这为我们提供了一种度量,我们可以根据它来解释参数中的变化,并对数据的一致性和描述这些数据的模型的适用性做出判断。
We provide an analytical argument for understanding the likely nature of parameter shifts between those coming from an analysis of a data set and from a subset of that data set, assuming differences are down to noise and any intrinsic variance alone. This gives us a measure against which we can interpret changes seen in parameters and make judgements about the coherency of the data and the suitability of a model in describing those data.