The Use of Computer System Accounting Data To Measure the Effect of a System Modification.

by R. A. Watson


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Nearly all computer systems in operation are equipped with an accounting system that records the computer resources used by each job processed. These data, although having a great potential for use in the measurement and evaluation of computer system performance, are seldom used for anything other than charging for computer services used. This paper discusses techniques for reducing and analyzing accounting data to use in measuring the effect of a system modification. Two different methods are used in analyzing the data, both involving the use of statistical analysis. One method uses regression analysis while the other method uses cluster analysis. 15 pp.

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