This thesis work takes place in General Motors, one of the leading farm in the automotive global industry. Being an industry leader, nowadays, means to progress constantly and make innovation; for these reasons, the thesis is thought to be divided in two parts, each one focused on different technological fields . In the first part, I deal with the process of improvement and development of a tool for data analysis and visualization. Chapter 1, first, discloses the inspection work of the system already existing; the main task was to detect and to fix the weak points and the errors. Then, presents the work of enhancement of the tool by way of the development of new features.