Changing marks sizes
by Matt Floyd, Ashley Ohmann, Ashutosh Nandeshwar, Jen Stirrup
Tableau: Creating Interactive Data Visualizations
- Tableau: Creating Interactive Data Visualizations
- Table of Contents
- Tableau: Creating Interactive Data Visualizations
- Tableau: Creating Interactive Data Visualizations
- Credits
- Preface
- 1. Module 1
- 1. A Short Dash to Dashboarding!
- 2. Summarizing Your Data for Dashboards
- 3. Interacting with Data for Dashboards
- 4. Using Dashboards to Get Results
- 5. Putting the Dash into Dashboards
- 6. Making Dashboards Relevant
- 7. Visual Best Practices
- 2. Module 2
- 1. Connecting to Data Sources
- Introduction
- Connecting to text files
- Connecting to Excel files
- Connecting to Access databases
- Connecting to a SQL Server
- Pasting from a clipboard
- Connecting to other databases
- Connecting to Windows Azure Marketplace
- Understanding dimensions and measures
- Changing data types
- Applying filters
- Merging multiple data sources
- 2. Creating Univariate Charts
- 3. Creating Bivariate Charts
- 4. Creating Multivariate Charts
- 5. Creating Maps
- 6. Calculating User-defined Fields
- 7. Customizing and Saving
- 8. Exporting and Sharing
- 9. Exploring Advanced Features
- 1. Connecting to Data Sources
- 3. Module 3
- 1. Getting Started with Tableau Public
- 2. Tableau Public Interface Features
- 3. Connecting to Data
- 4. Visualization – Tips and Types
- 5. Calculations
- 6. Level of Detail and Table Calculations
- 7. Dashboard Design and Styling
- 8. Filters and Actions
- 9. Publishing Your Work
- A. Bibliography
- Index
Since we can tell differences in sizes easily compared to differences in colors, encoding data in various sizes of marks will increase the effectiveness of a graph. If the differences in data points are hard to observe, then a different type of visualization might be needed.
Let's use the sample file Sample – Superstore Sales (Excel). Open a new worksheet and select Sample – Superstore Sales (Excel) as the data source.
Once the data is loaded, perform the following steps to show marks sizes encoded by the values of an attribute:
- Drag-and-drop Sub-Category from Dimensions into the Rows shelf.
- Drag-and-drop Profit from Measures into the Columns shelf.
- Drag-and-drop Shipping Cost from Measures into the Size box in the Marks pane.
- Change the mark type to Shape to see the mark size vary by Shipping Cost.
- Click on the Size box to increase the size of shapes by dragging the visible slider. The final chart should look like the one in the following screenshot:
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