The Data Preparation Process

Lesson Objectives

  • At the end of this lesson, you will be able to: Connect to a data source.
  • Add a step to a flow.
  • Identify the panes in the Tableau Prep workspace.

connect and add a further step

Cleaning does not change the data source, only the prep-output.

cleaning step

See whether dimensions like "not specified" are distributed (equally) over further dimensions

Find data mistakes

Changes are documented inside the flow-file.

marked changes

show

Save the changes in a packaged file

saving the changes