Clean and Shape Data in Tableau Prep - Arya College
Here is a more detailed answer on the steps for data cleaning in Tableau: Importance of Data Cleaning in Tableau Before visualizing data in Tableau, it's crucial to ensure the data is clean, accurate, and properly formatted. Dirty or unstructured data can lead to misleading insights and poor decision-making. Data cleaning is an essential first step in the data analysis process when using Tableau. Key Steps for Data Cleaning in Tableau 1. Use the Data Interpreter Tableau's Data Interpreter is a powerful tool that can automatically detect and clean common data issues like titles, notes, empty cells, and other anomalies. It's a good starting point to get your data in a more usable format. 2. Hide Unnecessary Columns Tableau allows you to easily hide columns that are not relevant to your analysis. This helps declutter your data source and keeps the focus on the important fields. 3. Set Proper Data Types Ensure Tableau has correctly identified the data types for each field. Fo