Recently, most of the enterprise are doing their best to establish optimal management system to meet the various Customer's Satisfaction and to be well accommodate with rapid changes of the business surroundings. One of the best ways of finding out the customer's needs which are being widely used might be "CSI" induces the enterprise activities to obtain customer's satisfaction and supplies the basic data to attain the quality oriented management.
However, in analyzing the data of CSI research, we have heavily depended on the research company. And research companies do simple data comparison and/or 2-dimensional statistic approach. Therefore the research result may disregard such as retail price, quality cost, equity and so on that affect to the Customer Satisfaction.
Thus, through the reasonable efficiency comparison method, which includes various input factors that mentioned above, I will analyze the strong and weak points of Samsung Electronics Co.,Ltd. and the goal to which they should step forward. C4.5(Inductive Learning s/w), Focus($4^{th}$ generation program language), and DEA(Data Envelopment Analysis s/w) are adopted to my 5 important analysis 1) DEA, 2) Factorial Important Analysis, 3) Loyalty analysis, 4) Customer characteristic analysis, 5) Positioning analysis. The main subject of my thesis is to establish the strategy of customer's satisfaction in scientific method.
