To zero or not to zero - and that is not the only question

Article Abstract:

A hypothetical situation for assessing and comparing different marketing strategies has been visualized, and the correct way to infer data, presented in the form of graphs, has been discussed. Any given data can be distorted and presented in any desired manner by using different scales for different graphs while presenting the same data. In this way, a small difference in two quantities can be made to look like a big difference, and vice versa. However, the discrepancy can be resolved when the difference of the two quantities is depicted in a single graph.

Observations, Scaling laws (Statistical physics), Scaling laws (Mathematical physics), Graphic methods, Sales presentations

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Data mining: mother lode or fool's gold?

Article Abstract:

Data mining, a computerized searching of vast data bases, helps in predicting earthquakes, exploring and identifying risk factors for cancer, knowing buying patterns of consumers, and in other scientific research work. Data mining assists in solving the task of planned experiments by concentrating on the areas from where results are to be obtained. Data mining processes can be the right tool for increasing insights into quality management and suggesting directions for further investigation. The negative aspects of data mining are discussed.

Usage, Column, Information management, Databases

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Farewell fusillade: an unvarnished opinion on the state of the quality profession

Article Abstract:

An analysis of the state of the quality profession reveals what seems to be a regression from the professionalism and activism that characterized it in the 1980s. A particular case in point is the ISO 9000 which professed to create a standard of quality through a series of documentation processes but managed instead to enrich a number of ISO 9000 consultants. The flight from quantitative methodology and the use of ISO has not presented any solid evidence that the change has actually improved the quality of products and services.

Standards, ISO 9000 (Standard)

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