| 摘要 |
<p>A method for use in evaluating performance of a POS installation including a plurality POS stations (POS1, POS2, POS3, POS4) connected via respective lines (12, 14, 16 and 18) each station being clerk operated and providing POS station transaction data is inclusive of steps of providing video cameras (VCA, VCB, VCC and VCD) video indicative of activity at the POS stations and providing first recorder(s) (1) for recording the video and the transaction data, establishing statistical rules from processor and controller (28) for analyzing the recorded POS transaction data and applying first analysis rules to transaction data provided by the POS stations to provide selected transaction data and recording the selected transaction data and video corresponding thereto in a second recorder connected by line (40) in a succession according with another analysis rule. The first analysis rules provide for discarding transaction data in accordance with its relationship with statistical parameters and the other analysis rule provides for recognizing statistical abnormalities computed per the first analysis rule and the recording may be a succession commencing with the most abnormal transaction and proceeding to the least abnormal.</p> |
