Fundamentals of Data Analysis Filtering NULL values

43. Filtering NULL values

“I would like to know our users better. Knowing their interests, for example, or allow them to tell about themselves”, said Gessica. “That way we could plan our features better or don’t do some feature at all if it’s something irrelevant for our users. How can we figure that out?”

“It would be nice to survey our users and ask them why did they sign up, maybe even call them. For the start, we can check out public user profiles, maybe there’s something interesting?”, replied Linh.

There are many ways of user research – surveys, live sessions,...

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Anatoli Makarevich, author of SQL Habit About SQL Habit

Hi, it’s Anatoli, the author of SQL Habit. 👋

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