As the market of the SW based electronic components in the automotive industry is increasing with high speed, both Original Equipment Manufacturers (OEM) and suppliers need to find solutions for delivering quality products which fulfil customer requirements and safety regulations. One measure of quality is represented by the number of Customer Defects. But how to normalize the Number of Customer Defects metric in order to measure and compare the results of this metric for any kind of automotive SW development project, independent of the complexity and code size? We experienced one possible solution by measuring the metric Customer Defects per Lines of Code on several projects. We analysed if and how code size and implicitly complexity influence the quality of the Automotive SW Development applications. Are complex systems more prone to errors? Should we invest in quality for low complexity systems? These are the main questions we tried to answer.
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