Scientific Measurement and Uncertainty Evaluation

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INTRODUCTION: Optimal storage of serum specimens in central laboratories for a long period for multicenter reference interval studies, or epidemiologic studies remains to be determined. We aimed to examine the analytical stability of chemistry analytes following numerous freeze-thaw and long-term storage. MATERIALS AN…

• MEHMET HİCRİ KÖSEOĞLU

Shewhart-type distribution-free control charts are considered for the known in-control median of a continuous process distribution based on the Wilcoxon signed-rank statistic and some runs type rules. The new charts are more attractive to the practitioner than a basic Shewhart-type signed-rank chart proposed by Bakir…

Comparison of the performance of the next generation of optical interferometers, Pisani, Marco, Yacoot, Andrew, Balling, Petr, Bancone, Nicola, Birlikseven, Cengiz, Çelik, Mehmet, Flügge, Jens, Hamid, Ramiz, Köchert, Paul, Kren, Petr, Kuetgens, Ulrich, Lassila, Antti, Picotto, Gian Bartolo, Şahin, Ersoy, Seppä, Jeremi…

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• GÜRKAN AYDEMİR

When there is an outlier in the data set, the efficiency of traditional methods decreases. In order to solve this problem, Kadilar et al. (2007) adapted Huber-M method which is only one of robust regression methods to ratio-type estimators and decreased the effect of outlier problem. In this study, new ratio-type esti…

• HASAN BULUT

When there is an outlier in the data set, the efficiency of traditional methods decreases. In order to solve this problem, Kadilar et al. (2007) adapted Huber-M method which is only one of robust regression methods to ratio-type estimators and decreased the effect of outlier problem. In this study, new ratio-type esti…

• TOLGA ZAMAN

Abstract Count rates may reach very low levels in production processes with low defect levels. In such settings, conventional control charts for counts may become ineffective since the occurrence of many samples with zero defects would cause control statistic to be consistently zero. Consequently, the exponentially we…

• MURAT CANER TESTİK

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• HACER ALAN DİKMEN

Abstract In this paper, the robustness of the multivariate exponentially weighted moving average (MEWMA) control chart to non‐normal data is examined. Two non‐normal distributions of interest are the multivariate $t$ distribution and the multivariate gamma distribution. Recommendations for constructing MEWMA control c…

• MURAT CANER TESTİK

In deformation analysis, it is important to know whether the points detected by conventional deformation analysis (CDA) are really displaced or not, and also if there are any more displaced points in the network. It is impossible to answer these questions unless the actual positions of the displaced points before the…

• BAHATTİN ERDOĞAN