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一般总体偏移问题的快捷检验方法AI 解读

In a recent article we described some quick and simple tests for the k-sample slippage problem. Those tests were designed for the alternative that precisely one population had slipped. In this article we present a method of testing which has power for all slippage alternatives and which makes a diagnosis of the type of slippage that has occurred. Critical values are obtained either from a table (in the case of small samples), from graphs or from asymptotic approximations,…

利用初期稀疏数据进行平稳时间序列谱分析AI 解读

This paper studies the estimation of the spectrum of a stationary time series from ‘initially scarce’ data, i.e. data where the sampling period is shortened at some point during the period of observation. Two types of estimators are considered, the ‘simple’ estimators, so-called because they derive immediately from general theory which can essentially be applied to most missing data situations, and ‘alias-improved’ estimators, whose use unfortunately cannot be extended to…

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