There are customers of different membership tiers who visit DFS's branches in Hong Kong every day. Some of them are the first-time buyers while some of them have repeated purchase. Based on the datasets provided from Jan 2015 - Oct 2016 (22 months), please: 


  1. Predict the sales trend as break-down by i) branches & ii) membership tier for the period of Nov 2016 - Mar 2017 (5 months) (Hidden from participants)

  2. Find out if there is any correlation between the list of 50 mentioned brands by the 2 KOLs i) Mr Bags; ii) Gogoboi in Xiaohongshu (小紅書) & Weibo and the sales figures of the brands. Moreover, please explain how you will handle the leap time issue.

  3. How to further optimize the business value based on your findings

Note: Data access method will be disclosed during the competition.