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The monitoring of simple regression profiles with two observations per sample

机译:对每个样本有两个观察值的简单回归曲线的监视

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Purpose:To evaluate and compare the performance of Phase II simple regression profile approached when only two observations are establish each profile.Summary:This article proposes a EWMA control chart based on average squared deviations from in-control line, to be used in conjunction with two EMWA control charts based on slope and y-intercept estimators, to monitor changes in three regression parameters: slope, intercept and variance. Simulations show that the performance of proposed technique is generally better than that of other approaches to direct parameter shifts. (26 refs.)
机译:目的:评估和比较仅建立两个观测值时所采用的II期简单回归曲线的性能。摘要:本文提出了一种基于与控制线的平均平方偏差的EWMA控制图,可与基于斜率和y截距估计量的两个EMWA控制图,以监视三个回归参数的变化:斜率,截距和方差。仿真表明,所提出技术的性能通常优于直接参数转换的其他方法。 (26参考)

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