To speed up data processing, sometimes, we want to create a Tableau Data Extract file (.tde). Is this extract a live connection to the dataset or a static copy of the dataset?

The video called Data Prep with Text and Excel Files demonstrated several ways that data can be cleaned up before analysis. List two examples of data prep in Tableau.

What is a Mark in Tableau?

What is the difference between a dimension and measure in Tableau?

Describe what aggregation means in Tableau.

Is there anything that you found particularly interesting, relevant, clear, or confusing? If so, please let your instructor know this feedback so that future videos can be improved!