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On the Performance of Sequential Procedures for Detecting a Change, and Information Quality (InfoQ)

Where:  Room MF 11-12 (4th floor, MetaForum Building, TU/e)
When:  1st of June 2017 tot 24th of May 2017
Starttime  12.45

We would like to invite you to the following talk of the Eindhoven Stochastics Colloquium:

Ron Kenett (University of Turin) - On the Performance of Sequential Procedures for Detecting a Change, and Information Quality (InfoQ)

Thursday 1 June, 12.45-13.45, Room MF 11-12 (4th floor, MetaForum Building, TU/e)

ABSTRACT

The concept of information quality (InfoQ) is defined as the potential of a dataset to achieve a specific (scientific or practical) goal using a given empirical analysis method. InfoQ is derived from the utility (U) of applying an analysis (f) to a data set (X) for a given purpose (g). Formally, the concept of Information Quality (InfoQ) is defined as: InfoQ(f, X, g) = U(f(X | g)). The literature on statistical process control has focused on the Average Run Length (ARL) to an alarm, as a performance criterion of sequential schemes. When the process is in control, ARL0 denotes the ARL to false alarm and represents the in-control operating characteristic of the procedure. The average run length from the occurrence of a change to its detection, typically denoted by ARL1, represents the out-of-control operating characteristic. These indices however do not tell the whole story. We suggest the use of probability of false alarm (PFA) and conditional expected delay (CED) as an alternative wh
 ich enhances the information quality (InfoQ) of statistical process control methods. As an extension, we discuss the concept of a system for statistical process control in the context of a life cycle view of statistics (http://spclive365.com).

Upcoming events of the Eindhoven Stochastics Colloquium: http://www.win.tue.nl/StoSem/
 

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Eurandom
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13th of June 2018 - 15th of June 2018 Read more...

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Irvine, California, USA
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