An R package for run charts and individuals control charts for statistical quality control and improvement. pbcharts implements the I prime (I’ or normalised I ...

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 ...

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 president has railed against crime in urban, largely liberal cities for decades, but Monday’s announcement was an extraordinary exertion of federal power over an American city. By Katie Rogers ...

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, ...

1 School of Computer Science and Technology, Xi’an Jiaotong University, Xi’an, China 2 Shaanxi Engineering Research Center of Medical and Health Big Data, Xi’an Jiaotong University, Xi’an, China ...

Abstract: The procedure of building control charts with variable control limits based on nonparametric bootstrap percentile method is proposed. It makes possible to construct control chart of any ...

Adrian Barnett is a member of the Statistical Society of Australia. Victor Oguoma is a member of the Statistical Society of Australia. Our lives are becoming increasingly data driven. Our phones ...

1 Facultad de Ingeniería, Universidad del Magdalena, Santa Marta, Colombia 2 Department of Statistics, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia When initial sample ...