What materials can Tableau Prep help users to prepare before analysis?

Tableau Prep is designed to streamline the data preparation process, allowing users to efficiently clean and combine data from various sources before conducting an analysis. The choice that highlights the capabilities of Tableau Prep focuses on its ability to connect with and prepare data from multiple sources, including databases, spreadsheets, and other data files. This versatility is crucial, as many analytical tasks require data from different origins to be integrated in a cohesive manner for insightful analysis.

By using Tableau Prep, analysts can perform actions such as cleaning, reshaping, merging, and aggregating data. This preparation is vital for ensuring data quality and usability in Tableau Desktop or other analytical environments. Therefore, the correct answer reflects the fundamental strength of Tableau Prep in enhancing the data preparation phase of the analytical workflow, setting the stage for more effective and accurate data visualization and interpretation.