Software Error Data Acquisition.

Abstract
Software error data was collected from a large DOD system development project. The errors were analyzed and put into a predefined set of categories. As part of the effort, the times to find and fix the errors were calculated, and the phase of the development project in which the errors arose was determined. Study results were also compared to results of a similar type of study performed by a second contractor who performed analysis of data from another DOD software project. This report contains a description of the hardware and software systems, the software development process, and the types of data available. Also included are descriptions of the method of categorization and the derivation of other contractually required data items. Finally, discussions are presented concerning: an interpretation of the software error categories, comments on the difficulties and successes in performing the error data collection, an analysis of the data collected by software function, study results, examination of the data by development phase, and recommendations for future software data collection studies. (Author)

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