You were invited for an internship at the Analytics Department of Yandex.Afisha. First task: help marketers optimize marketing costs. You have at your disposal data from Yandex.Afisha from June 2017 to the end of May 2018:
- server log with data on visits to the Yandex.Afisha website,
- unloading of all orders for this period,
- statistics of advertising costs.