Exploring your dataset

Exploring your dataset is vital so that you can get acquainted with and learn more about your data. You can do this by checking the statistical identity of your data and checking for rare, missing, and duplicate values. Additionally, you can either consult the expert or become the expert on the dataset.

Getting to know your data using statistical identities

Getting to know your data is vital so you can understand how to analyze and tell a story with it. There are a few built-in functions in MySQL that you can use to get to know your data, including the following:

• AVG: Returns the average of an expression
• COUNT: Returns the number of records
• MAX: Returns the maximum value in a set of values
• MIN:...