ABSTRACT: The presence of dispersion/variability in any process is understood and its careful monitoring may furnish the performance of any process. The interquartile range (IQR) is one of the ...

1 Tianyou College, East China Jiaotong University, Nanchang, Jiangxi, China 2 School of Civil Engineering and Architecture, East China Jiaotong University, Nanchang, Jiangxi, China As high-speed rail ...

Control charts enable users to monitor process stability to help them achieve quality, reduce costs and increase production efficiency. Process control charts are an important application of ...

Washington policing: Under pressure from a federal judge, the Justice Department clarified that Washington’s police chief will, for now, retain control of the city’s police force. The revision came ...

Process control charts are an important application of statistical process control (SPC) that are used in the management of processes in various industries with the aim of maintaining consistency, ...

Purpose: This study aimed to test the repeatability of visual acuity (VA) measurement using an novel intelligent projector visual acuity (IP) chart (LSJ-IVAC-6000A, Hunan Liangshi Jia Biotechnology Co ...

Abstract: This paper takes the four-motor drive servo system as the object, researches on the advantages of deviation coupling control and virtual shaft control. On this basis a new synchronous ...

Background The way that data are presented can influence quality and safety initiatives. Time-series charts highlight changes but do not clarify whether data lie outside expected variation.

The Public Company Accounting Oversight Board introduced two pieces of guidance to help auditing firms apply its new quality control standard. The Securities and Exchange Commission approved the PCAOB ...

I'm looking for a Python library that supports non-parametric statistical process control (SPC) charts. Specifically, I need functionality for SPC charts that do not assume a normal distribution of ...