نتایج جستجو برای: risk adjusted control charts

تعداد نتایج: 2215834  

Journal: :Journal of the Royal Statistical Society: Series C (Applied Statistics) 2004

Journal: :Quality and Reliability Engineering International 2007

Journal: :Indian Journal of Science and Technology 2015

Journal: :Journal of marine science and technology 2021

Ice navigation is currently one of the important issues in path planning studies. Most studies are using sea ice models or charts for large-scale planning, but weather and conditions polar waters usually change quickly not easy to predict. Under these conditions, small-scale that can be adjusted time collision avoidance needed. This study uses marine radar imaging reconstruct scene, establishes...

Journal: :CancerSpectrum Knowledge Environment 2002

Control charts are powerful tools to monitor quality characteristics of services or production processes. However, in some processes, the performance of process or product cannot be controlled by monitoring a characteristic; instead, they require to be controlled by a function that usually refers as a profile. This study suggests employing exponentially weighted moving average (EWMA) and range ...

ژورنال: حسابداری مالی 2019

This study analyses the effect of traditional and percent accruals strategies on excess and risk adjusted returns. In this analysis, the characteristics of investment firms were controlled. For this purpose, we collect quarterly data of 33 investment firms listed in Tehran Stock Exchange for the years 2011-2018. The hypotheses were tested using linear regression analysis. We find that traditi...

F. Momeni, S. Shokri,

Nonparametric control charts are presented in order to figure out the problem of detecting changes in the process median (or mean)‎, ‎or changes in the variability process where there is limited knowledge regarding the underlying process‎. ‎When observations are reported imprecise‎, ‎then it is impossible to use classical nonparametric control charts‎. ‎This paper is devoted to the problem of c...

The effect of measurement errors on adaptive and non-adaptive control charts has been occasionally considered by researchers throughout the years. However, that effect on the variable sample size and sampling interval (VSSI) control charts has not so far been investigated. In this paper, we evaluate the effect of measurement errors on the VSSI control charts. After a model development, the effe...

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