Evaluation of the RFID-enabled SDS

Although the company reported that there was an improvement in sales of about 20% a few months after the installation, it is imperative to understand the contribution of the system towards the overall sales. In order to identify the sales improvement due to the cross-selling function of the system, three-month point-of-sale (POS) data after the installation were collected to evaluate the impact of the system on sales performance. As customers were not interviewed or asked whether or not the purchase was influenced by the system, an alternative approach was adopted POS data were screened and those data recommended by the system for mixing and matching the detected items by the antenna within 30 minutes were counted as a successful application of the system. In Fig. 10.10, the total sales (ordinary sales and those initiated by the system) of the first three months after the installation are shown. The blue curve indicates the weekly change in total sales quantity and the pink curve provides the sold items which 

10 Comparison of the total sales with sales due to the Installation of the RFID-based IPCS. 

After retraining had been provided to the sales staff about the importance of letting the customers know the mix-and-match recommendations from the fitting 

12 Trend of sales quantities due to the two fitting rooms and the dressing mirror with embedded RFID-based IPCS. 

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