Zhou weighted index based on historical daily sales data for sales over a certain period, based on a weekly basis weight analysis carried out a management tool processing, generally between 7.0-14.0. The greater the value of the enterprise or shop daily sales greater volatility. It is calculated as follows:
1, each complete shop business recently collected a full year: daily sales data (such as 2019/01 / 01-2019 / 12/31 or 2018/08 / 01-2019 / 07/31).
2, plus a total daily sales data for all stores, get daily sales data throughout the enterprise.
3, pre-processing of data - the removal of outliers: statutory holidays, statutory holidays days off date, industry special day, non-normal sales day.
4, a weekly basis, calculates an average daily sales data by post-treatment (the group throughout the year: the first week, the second week ,,,).
5, the average daily sales daily weighted index of the lowest of the day is set to 1, respectively, with the remaining six days of the date of sales divided by sales to get the lowest index weights each day.
6, the daily weighted index is obtained by adding Week Weight Index.