📚 Main Topics

1. Introduction to Tableau

   • Overview of changes in Tableau over the past five years.
   • Connecting to different data sources (Excel, CSV, etc.).

2. Data Connection and Overview

   • Steps to connect to a data source.
   • Understanding the data structure and fields in Tableau.

3. Creating Visualizations

   • Introduction to the worksheet view and its components.
   • Differences between measures and dimensions.
   • Creating a bar chart using market segments and Average Daily Rate (ADR).

4. Calculated Fields

   • Importance of calculated fields for accurate data representation.
   • Steps to create calculated fields for room nights and revenue.
   • Understanding aggregated vs. row-level calculations.

5. Building a Dashboard

   • Creating multiple visualizations and arranging them in a dashboard.
   • Using filters to dynamically change visualizations.
   • Adding titles and organizing sheets for clarity.

6. Layout Containers

   • Explanation of horizontal and vertical layout containers.
   • How to use layout containers for a stable dashboard design.

✨ Key Takeaways

• Tableau has evolved significantly, and users should familiarize themselves with the new interface and features.
• Understanding the difference between measures and dimensions is crucial for effective data visualization.
• Calculated fields allow for more precise data analysis and should be created in manageable steps.
• Dashboards can be enhanced with filters and layout containers to improve user interaction and visual appeal.

🧠 Lessons

• Always check data types to ensure accurate visualizations.
• Use calculated fields to derive meaningful insights from raw data.
• Organizing sheets and dashboards can greatly enhance usability and clarity.
• Experiment with layout containers to create responsive and visually appealing dashboards.