β Scribed by T.N. Goh
No coin nor oath required. For personal study only.
Statistical monitoring of nonconforming or defective rates in a manufacturing process is commonly carried out in industry via Shewhart control charts and process capability indices. This paper points out a number of problematic applications of statistical process control charts found in practice, and highlights the need for alternative techniques for process control and capability study for processes that have attained a performance at the parts-per-million level as a result of advances in technology and automation.
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Extrapolative forecasting models have been available for many years and as most organizations have the need to regularly develop forecasts one might anticipate the widespread use of these models. The evidence in Australia indicates that computer based forecasting systems are not being widely used an
## Abstract We discuss some fundamental aspects of the study of foreign exchange intervention. In particular, we analyse some unresolved issues, such as the secrecy puzzle, the relevance of the signalling and portfolioβbalance effect hypotheses, the identification of the impact of foreign exchange
Quality of life (QOL) assessment has become an integrated part in some advanced disease trials and to a lesser extent in early disease trials conducted by the Swiss Group for Clinical Cancer Research (SAKK). In general, the concept of QOL endpoints and the additional work of collecting these data is