The combination of low volatility and high valuation risks make QQQI and SPYI timely as a hedge. Read why I prefer SPYI here.

Background While the incidence of hospital adverse events appeared to be declining before 2019, the COVID-19 pandemic may ...

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 ...

Follow the steps to make a Run Chart in Microsoft Excel: Run charts are used to monitor the performance of the process over time with a focus on process improvement; it displays the measurement of the ...

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, ...

Background: In a randomized clinical controlled trial (PA.3) conducted by the Canadian Cancer Trials Group, the effects of gemcitabine combined with the targeted drug erlotinib (GEM-E) versus ...

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 ...