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Detection of intra-uterine growth restriction
(University of Gothenburg, 2003-03-01)
A new methodology for on-line detection of intrauterine growth restriction (IUGR) is proposed where traditional methods for statistical surveillance are applied. Here, deficient growth rate is used to detect IUGR instead ...
Optimal surveillance Based on exponentially weighted moving averages
(University of Gothenburg, 2002-01-01)
Statistical surveillance is used to detect an important change in a process as soon as possible after it has occurred, with control of false alarms. The EWMA, exponentially weighted moving average, method for surveillance ...
Statistical surveillance - Exponentially weighted moving average methods and public health monitoring
(University of Gothenburg, 2001-07-01)
The need for statistical surveillance has been noticed in many different areas and examples of applications include the detection of an increased incidence of a disease, the detection of an increased radiation level and ...
Evaluations of some exponentially weighted moving average methods
(University of Gothenburg, 2001-06-01)
Several versions of the EWMA (Exponentially Weighted Moving Average) method for monitoring a process with the aim of detecting a shift in the mean are studied both for the onesided and the two-sided case. The effects of ...
Statistical issues in public health monitoring - A review and discussion
(University of Gothenburg, 2001-02-01)
A review of methods, suggested in the literature, for sequential detection of changes in public health surveillance data is presented. Many authors have noticed the need for prospective methods and there has been an increased ...