I want to get the data of the whole country of China every day, but there are only provincial data in csv. These indicators are hierarchical data and should not be able to calculate an arithmetic mean. How do I calculate the national indicators?
Thank you for your reply!
I want to get the data of the whole country of China every day, but there are only provincial data in csv. These indicators are hierarchical data and should not be able to calculate an arithmetic mean. How do I calculate the national indicators? Thank you for your reply!