Let’s open the chapter about Product Analytics for mobile apps with the analysis of the previous exercise. The goal of the exercise was to estimate the release date of a certain mobile app version.
Such a question “When something appeared for the first time or started to happen?” is very common for many business processes:
- launch of marketing campaigns
- product releases
- bugs (the notion of when the bug was introduced could help to identify the root cause)
Usually, we have some sort of dataset with events and their timestamps. Our question “...
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About SQL Habit
Hi, it’s Anatoli, the author of SQL Habit.
SQL Habit is a course (or, as some of the students say, “business simulator”). It’s based on a story of a fictional startup called Bindle. You’ll play a role of their Data Analyst and solve real-life challenges from Business, Marketing, and Product Management.
SQL Habit course is made of bite-sized lessons (you’re looking at one atm) and exercises. They always have a real-life setting and detailed explanations. You can immediately apply everything you’ve learned at work.