In data analysis and data visualization products, the most commonly used analysis idea is comparative analysis. Only with comparison can there be an intuitive quantitative evaluation standard. If we only say that today's DAU is 1000W, then this 1000W is just a number, whether the business performance is good or not. bad.
In the comparison and analysis process, the comparison of dates is the most common comparison angle, and the scope of date comparison is mobile number list often different for different business attributes and different development stages of the business. When designing, there are many points to consider.
Compared with the same period in history, that is, compared with the previous period, year-on-year growth rate = (current statistical period value - historical value in the same period) / historical value in the same period. Year-on-year in a narrow sense is year-on-year, but according to the definition of the same, the scope of year-on-year can be expanded, that is, week-on-week, month-on-month, year-on-year and more. The comparison is not comprehensive enough.
Ring ratio: Compared with the previous cycle, the emphasis is on the adjacent statistical cycle.
When the comparison date is the same period last week, or the same period last month, some people will call it week-on-week and month-on-month because many people define the year-on-year comparison as the same period last year. Starting from the definition of the same period, it can be clearly clarified that when the data of a certain day is compared to the same day last week or the same day last month, the strict definition should be: week-on-week, month-on-month, rather than month-on-month.